38660004 has 30 divisors (see below), whose sum is σ = 101065734. Its totient is φ = 12886560.

The previous prime is 38659981. The next prime is 38660021. The reversal of 38660004 is 40006683.

It can be written as a sum of positive squares in only one way, i.e., 37454400 + 1205604 = 6120^2 + 1098^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 38660004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 59337 + ... + 59984.

Almost surely, 2^38660004 is an apocalyptic number.

It is an amenable number.

38660004 is an abundant number, since it is smaller than the sum of its proper divisors (62405730).

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

38660004 is a wasteful number, since it uses less digits than its factorization.

38660004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119337 (or 119326 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 38660004 is about 6217.7169443454. The cubic root of 38660004 is about 338.1327979747.

Adding to 38660004 its reverse (40006683), we get a palindrome (78666687).

The spelling of 38660004 in words is "thirty-eight million, six hundred sixty thousand, four".