38291216 has 20 divisors (see below), whose sum is σ = 74471424. Its totient is φ = 19072800.

The previous prime is 38291207. The next prime is 38291219. The reversal of 38291216 is 61219283.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (38291219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 8751.

Almost surely, 2^38291216 is an apocalyptic number.

It is an amenable number.

38291216 is a deficient number, since it is larger than the sum of its proper divisors (36180208).

38291216 is a wasteful number, since it uses less digits than its factorization.

38291216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9104 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 38291216 is about 6187.9896573928. The cubic root of 38291216 is about 337.0541815458.

The spelling of 38291216 in words is "thirty-eight million, two hundred ninety-one thousand, two hundred sixteen".