3922293840 has 80 divisors (see below), whose sum is σ = 12165132096. Its totient is φ = 1045427200.

The previous prime is 3922293827. The next prime is 3922293883. The reversal of 3922293840 is 483922293.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 3922293792 and 3922293801.

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, 929335 + ... + 933545.

Almost surely, 2^3922293840 is an apocalyptic number.

3922293840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3922293840 is an abundant number, since it is smaller than the sum of its proper divisors (8242838256).

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

3922293840 is a wasteful number, since it uses less digits than its factorization.

3922293840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108 (or 8102 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 3922293840 is about 62628.2191986967. The cubic root of 3922293840 is about 1577.0545241320.

The spelling of 3922293840 in words is "three billion, nine hundred twenty-two million, two hundred ninety-three thousand, eight hundred forty".