38149392 has 20 divisors (see below), whose sum is σ = 98552720. Its totient is φ = 12716448.

The previous prime is 38149381. The next prime is 38149399. The reversal of 38149392 is 29394183.

It is a super-2 number, since 2×38149392² = 2910752219939328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38149392.

It is not an unprimeable number, because it can be changed into a prime (38149399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397342 + ... + 397437.

It is an arithmetic number, because the mean of its divisors is an integer number (4927636).

Almost surely, 2^38149392 is an apocalyptic number.

It is an amenable number.

38149392 is an abundant number, since it is smaller than the sum of its proper divisors (60403328).

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

38149392 is a wasteful number, since it uses less digits than its factorization.

38149392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794790 (or 794784 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 38149392 is about 6176.5194082104. The cubic root of 38149392 is about 336.6375367187.

The spelling of 38149392 in words is "thirty-eight million, one hundred forty-nine thousand, three hundred ninety-two".