38491338 has 16 divisors (see below), whose sum is σ = 77052960. Its totient is φ = 12818736.

The previous prime is 38491307. The next prime is 38491339. The reversal of 38491338 is 83319483.

It is a junction number, because it is equal to n+sod(n) for n = 38491296 and 38491305.

It is not an unprimeable number, because it can be changed into a prime (38491339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6556 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (4815810).

Almost surely, 2^38491338 is an apocalyptic number.

38491338 is an abundant number, since it is smaller than the sum of its proper divisors (38561622).

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

38491338 is a wasteful number, since it uses less digits than its factorization.

38491338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861.

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

The square root of 38491338 is about 6204.1387798791. The cubic root of 38491338 is about 337.6403454717.

The spelling of 38491338 in words is "thirty-eight million, four hundred ninety-one thousand, three hundred thirty-eight".