382461690 has 64 divisors (see below), whose sum is σ = 992186496. Its totient is φ = 93795072.

The previous prime is 382461689. The next prime is 382461691. The reversal of 382461690 is 96164283.

It is an interprime number because it is at equal distance from previous prime (382461689) and next prime (382461691).

It is a super-2 number, since 2×382461690² = 292553888635312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (382461691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112597 + ... + 115943.

It is an arithmetic number, because the mean of its divisors is an integer number (15502914).

Almost surely, 2^382461690 is an apocalyptic number.

382461690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 382461690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496093248).

382461690 is an abundant number, since it is smaller than the sum of its proper divisors (609724806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382461690 is a wasteful number, since it uses less digits than its factorization.

382461690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 382461690 is about 19556.6277767922. The cubic root of 382461690 is about 725.8763497115.

The spelling of 382461690 in words is "three hundred eighty-two million, four hundred sixty-one thousand, six hundred ninety".