38449492 has 12 divisors (see below), whose sum is σ = 67345236. Its totient is φ = 19208000.

The previous prime is 38449469. The next prime is 38449519. The reversal of 38449492 is 29494483.

It can be written as a sum of positive squares in 2 ways, for example, as 30074256 + 8375236 = 5484^2 + 2894^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1992 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (5612103).

Almost surely, 2^38449492 is an apocalyptic number.

It is an amenable number.

38449492 is a deficient number, since it is larger than the sum of its proper divisors (28895744).

38449492 is a wasteful number, since it uses less digits than its factorization.

38449492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378 (or 8376 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 38449492 is about 6200.7654366215. The cubic root of 38449492 is about 337.5179454564.

The spelling of 38449492 in words is "thirty-eight million, four hundred forty-nine thousand, four hundred ninety-two".