38311604 has 12 divisors (see below), whose sum is σ = 67127424. Its totient is φ = 19132344.

The previous prime is 38311601. The next prime is 38311621. The reversal of 38311604 is 40611383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38311601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892 + ... + 8955.

It is an arithmetic number, because the mean of its divisors is an integer number (5593952).

Almost surely, 2^38311604 is an apocalyptic number.

It is an amenable number.

38311604 is a deficient number, since it is larger than the sum of its proper divisors (28815820).

38311604 is a wasteful number, since it uses less digits than its factorization.

38311604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734 (or 11732 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 38311604 is about 6189.6368229485. The cubic root of 38311604 is about 337.1139919679.

Adding to 38311604 its reverse (40611383), we get a palindrome (78922987).

The spelling of 38311604 in words is "thirty-eight million, three hundred eleven thousand, six hundred four".