38515396 has 12 divisors (see below), whose sum is σ = 67460652. Its totient is φ = 19240928.

The previous prime is 38515391. The next prime is 38515447. The reversal of 38515396 is 69351583.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 2515396 = 6000^2 + 1586^2 .

It is not an unprimeable number, because it can be changed into a prime (38515391) 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, 1986 + ... + 8998.

It is an arithmetic number, because the mean of its divisors is an integer number (5621721).

Almost surely, 2^38515396 is an apocalyptic number.

It is an amenable number.

38515396 is a deficient number, since it is larger than the sum of its proper divisors (28945256).

38515396 is a wasteful number, since it uses less digits than its factorization.

38515396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390 (or 8388 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 38515396 is about 6206.0773440234. The cubic root of 38515396 is about 337.7106752316.

The spelling of 38515396 in words is "thirty-eight million, five hundred fifteen thousand, three hundred ninety-six".