385084740 has 96 divisors (see below), whose sum is σ = 1104405120. Its totient is φ = 100224000.

The previous prime is 385084727. The next prime is 385084741. The reversal of 385084740 is 47480583.

It is not an unprimeable number, because it can be changed into a prime (385084741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640440 + ... + 641040.

It is an arithmetic number, because the mean of its divisors is an integer number (11504220).

Almost surely, 2^385084740 is an apocalyptic number.

385084740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385084740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552202560).

385084740 is an abundant number, since it is smaller than the sum of its proper divisors (719320380).

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

385084740 is a wasteful number, since it uses less digits than its factorization.

385084740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 385084740 is about 19623.5761266901. The cubic root of 385084740 is about 727.5320045910.

The spelling of 385084740 in words is "three hundred eighty-five million, eighty-four thousand, seven hundred forty".