38316438 has 24 divisors (see below), whose sum is σ = 83140200. Its totient is φ = 12753504.

The previous prime is 38316431. The next prime is 38316457. The reversal of 38316438 is 83461383.

It is a happy number.

38316438 is a `hidden beast` number, since 3 + 8 + 3 + 1 + 643 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38316431) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17298 + ... + 19386.

It is an arithmetic number, because the mean of its divisors is an integer number (3464175).

Almost surely, 2^38316438 is an apocalyptic number.

38316438 is an abundant number, since it is smaller than the sum of its proper divisors (44823762).

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

38316438 is a wasteful number, since it uses less digits than its factorization.

38316438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3113 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 38316438 is about 6190.0273020400. The cubic root of 38316438 is about 337.1281699221.

The spelling of 38316438 in words is "thirty-eight million, three hundred sixteen thousand, four hundred thirty-eight".