1382949390 has 64 divisors (see below), whose sum is σ = 3614284800. Its totient is φ = 337325184.

The previous prime is 1382949349. The next prime is 1382949391. The reversal of 1382949390 is 939492831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382949391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25302 + ... + 58361.

It is an arithmetic number, because the mean of its divisors is an integer number (56473200).

Almost surely, 2^1382949390 is an apocalyptic number.

1382949390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1382949390 is an abundant number, since it is smaller than the sum of its proper divisors (2231335410).

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

1382949390 is a wasteful number, since it uses less digits than its factorization.

1382949390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83721.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 1382949390 is about 37188.0275088637. The cubic root of 1382949390 is about 1114.1288724255.

The spelling of 1382949390 in words is "one billion, three hundred eighty-two million, nine hundred forty-nine thousand, three hundred ninety".