38986600 has 24 divisors (see below), whose sum is σ = 90644310. Its totient is φ = 15594560.

The previous prime is 38986583. The next prime is 38986603. The reversal of 38986600 is 668983.

It can be written as a sum of positive squares in 3 ways, for example, as 18028516 + 20958084 = 4246^2 + 4578^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (38986603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97267 + ... + 97666.

Almost surely, 2^38986600 is an apocalyptic number.

It is an amenable number.

38986600 is an abundant number, since it is smaller than the sum of its proper divisors (51657710).

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

38986600 is a wasteful number, since it uses less digits than its factorization.

38986600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194949 (or 194940 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 38986600 is about 6243.9250475963. The cubic root of 38986600 is about 339.0823003366.

The spelling of 38986600 in words is "thirty-eight million, nine hundred eighty-six thousand, six hundred".