38859140 has 24 divisors (see below), whose sum is σ = 81838680. Its totient is φ = 15499008.

The previous prime is 38859113. The next prime is 38859173. The reversal of 38859140 is 4195883.

It can be written as a sum of positive squares in 4 ways, for example, as 14868736 + 23990404 = 3856^2 + 4898^2 .

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 = 38859094 and 38859103.

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, 4856 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (3409945).

Almost surely, 2^38859140 is an apocalyptic number.

It is an amenable number.

38859140 is an abundant number, since it is smaller than the sum of its proper divisors (42979540).

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

38859140 is a wasteful number, since it uses less digits than its factorization.

38859140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591 (or 5589 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 38859140 is about 6233.7099707959. The cubic root of 38859140 is about 338.7123731032.

The spelling of 38859140 in words is "thirty-eight million, eight hundred fifty-nine thousand, one hundred forty".