38583940 has 12 divisors (see below), whose sum is σ = 81026316. Its totient is φ = 15433568.

The previous prime is 38583901. The next prime is 38583953. The reversal of 38583940 is 4938583.

It can be written as a sum of positive squares in 2 ways, for example, as 26873856 + 11710084 = 5184^2 + 3422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38583893 and 38583902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964579 + ... + 964618.

It is an arithmetic number, because the mean of its divisors is an integer number (6752193).

Almost surely, 2^38583940 is an apocalyptic number.

It is an amenable number.

38583940 is an abundant number, since it is smaller than the sum of its proper divisors (42442376).

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

38583940 is a wasteful number, since it uses less digits than its factorization.

38583940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929206 (or 1929204 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 38583940 is about 6211.5972181074. The cubic root of 38583940 is about 337.9108923280.

The spelling of 38583940 in words is "thirty-eight million, five hundred eighty-three thousand, nine hundred forty".