3922685940 has 24 divisors (see below), whose sum is σ = 10983520800. Its totient is φ = 1046049568.

The previous prime is 3922685933. The next prime is 3922685951. The reversal of 3922685940 is 495862293.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3922685940.

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, 32688990 + ... + 32689109.

It is an arithmetic number, because the mean of its divisors is an integer number (457646700).

Almost surely, 2^3922685940 is an apocalyptic number.

3922685940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3922685940 is an abundant number, since it is smaller than the sum of its proper divisors (7060834860).

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

3922685940 is a wasteful number, since it uses less digits than its factorization.

3922685940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65378111 (or 65378109 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 3922685940 is about 62631.3494984740. The cubic root of 3922685940 is about 1577.1070735244.

The spelling of 3922685940 in words is "three billion, nine hundred twenty-two million, six hundred eighty-five thousand, nine hundred forty".