38359640 has 32 divisors (see below), whose sum is σ = 94156560. Its totient is φ = 13948800.

The previous prime is 38359631. The next prime is 38359681. The reversal of 38359640 is 4695383.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38359594 and 38359603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43151 + ... + 44030.

Almost surely, 2^38359640 is an apocalyptic number.

It is an amenable number.

38359640 is an abundant number, since it is smaller than the sum of its proper divisors (55796920).

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

38359640 is a wasteful number, since it uses less digits than its factorization.

38359640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87203 (or 87199 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 38359640 is about 6193.5159642969. The cubic root of 38359640 is about 337.2548269697.

The spelling of 38359640 in words is "thirty-eight million, three hundred fifty-nine thousand, six hundred forty".