38570004 has 72 divisors (see below), whose sum is σ = 107164512. Its totient is φ = 11599680.

The previous prime is 38570003. The next prime is 38570023. The reversal of 38570004 is 40007583.

It is a self number, because there is not a number n which added to its sum of digits gives 38570004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38570003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68227 + ... + 68789.

It is an arithmetic number, because the mean of its divisors is an integer number (1488396).

Almost surely, 2^38570004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38570004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53582256).

38570004 is an abundant number, since it is smaller than the sum of its proper divisors (68594508).

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

38570004 is a wasteful number, since it uses less digits than its factorization.

38570004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 38570004 is about 6210.4753441262. The cubic root of 38570004 is about 337.8702044730.

Adding to 38570004 its reverse (40007583), we get a palindrome (78577587).

The spelling of 38570004 in words is "thirty-eight million, five hundred seventy thousand, four".