38313504 has 36 divisors (see below), whose sum is σ = 108954846. Its totient is φ = 12771072.

The previous prime is 38313503. The next prime is 38313593. The reversal of 38313504 is 40531383.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38192400 + 121104 = 6180^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (38313503) 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, 66229 + ... + 66804.

Almost surely, 2^38313504 is an apocalyptic number.

It is an amenable number.

38313504 is an abundant number, since it is smaller than the sum of its proper divisors (70641342).

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

38313504 is a wasteful number, since it uses less digits than its factorization.

38313504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133049 (or 133038 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 38313504 is about 6189.7903033948. The cubic root of 38313504 is about 337.1195647442.

Adding to 38313504 its reverse (40531383), we get a palindrome (78844887).

The spelling of 38313504 in words is "thirty-eight million, three hundred thirteen thousand, five hundred four".