38003004 has 36 divisors (see below), whose sum is σ = 103453896. Its totient is φ = 11693088.

The previous prime is 38002981. The next prime is 38003011. The reversal of 38003004 is 40030083.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40134 + ... + 41069.

Almost surely, 2^38003004 is an apocalyptic number.

It is an amenable number.

38003004 is an abundant number, since it is smaller than the sum of its proper divisors (65450892).

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

38003004 is a wasteful number, since it uses less digits than its factorization.

38003004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81226 (or 81221 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 38003004 is about 6164.6576547283. The cubic root of 38003004 is about 336.2063995466.

Adding to 38003004 its reverse (40030083), we get a palindrome (78033087).

The spelling of 38003004 in words is "thirty-eight million, three thousand, four".