38490152 has 8 divisors (see below), whose sum is σ = 72169050. Its totient is φ = 19245072.

The previous prime is 38490149. The next prime is 38490157. The reversal of 38490152 is 25109483.

It can be written as a sum of positive squares in only one way, i.e., 38019556 + 470596 = 6166^2 + 686^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (38490157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405627 + ... + 2405642.

Almost surely, 2^38490152 is an apocalyptic number.

It is an amenable number.

38490152 is a deficient number, since it is larger than the sum of its proper divisors (33678898).

38490152 is a wasteful number, since it uses less digits than its factorization.

38490152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811275 (or 4811271 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 38490152 is about 6204.0431977864. The cubic root of 38490152 is about 337.6368776304.

The spelling of 38490152 in words is "thirty-eight million, four hundred ninety thousand, one hundred fifty-two".