38934816 has 48 divisors (see below), whose sum is σ = 102549888. Its totient is φ = 12934400.

The previous prime is 38934757. The next prime is 38934817. The reversal of 38934816 is 61843983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (38934817) 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, 40906 + ... + 41846.

It is an arithmetic number, because the mean of its divisors is an integer number (2136456).

Almost surely, 2^38934816 is an apocalyptic number.

It is an amenable number.

38934816 is an abundant number, since it is smaller than the sum of its proper divisors (63615072).

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

38934816 is a wasteful number, since it uses less digits than its factorization.

38934816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1377 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 38934816 is about 6239.7769190893. The cubic root of 38934816 is about 338.9321049887.

The spelling of 38934816 in words is "thirty-eight million, nine hundred thirty-four thousand, eight hundred sixteen".