38980816 has 20 divisors (see below), whose sum is σ = 86314912. Its totient is φ = 16706016.

The previous prime is 38980807. The next prime is 38980817. The reversal of 38980816 is 61808983.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38980817) 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 3 ways as a sum of consecutive naturals, for example, 173910 + ... + 174133.

Almost surely, 2^38980816 is an apocalyptic number.

It is an amenable number.

38980816 is an abundant number, since it is smaller than the sum of its proper divisors (47334096).

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

38980816 is a wasteful number, since it uses less digits than its factorization.

38980816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348058 (or 348052 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 38980816 is about 6243.4618602183. The cubic root of 38980816 is about 339.0655309079.

The spelling of 38980816 in words is "thirty-eight million, nine hundred eighty thousand, eight hundred sixteen".