3912338940 has 48 divisors (see below), whose sum is σ = 10959006240. Its totient is φ = 1042865920.

The previous prime is 3912338933. The next prime is 3912338957. The reversal of 3912338940 is 498332193.

It is a junction number, because it is equal to n+sod(n) for n = 3912338892 and 3912338901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152566 + ... + 176354.

It is an arithmetic number, because the mean of its divisors is an integer number (228312630).

Almost surely, 2^3912338940 is an apocalyptic number.

3912338940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3912338940 is an abundant number, since it is smaller than the sum of its proper divisors (7046667300).

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

3912338940 is a wasteful number, since it uses less digits than its factorization.

3912338940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26542 (or 26540 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 3912338940 is about 62548.6925522828. The cubic root of 3912338940 is about 1575.7191898140.

The spelling of 3912338940 in words is "three billion, nine hundred twelve million, three hundred thirty-eight thousand, nine hundred forty".