3911920892 has 24 divisors (see below), whose sum is σ = 7512946560. Its totient is φ = 1767494960.

The previous prime is 3911920877. The next prime is 3911920913. The reversal of 3911920892 is 2980291193.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 258842 + ... + 273537.

It is an arithmetic number, because the mean of its divisors is an integer number (313039440).

Almost surely, 2^3911920892 is an apocalyptic number.

It is an amenable number.

3911920892 is a deficient number, since it is larger than the sum of its proper divisors (3601025668).

3911920892 is a wasteful number, since it uses less digits than its factorization.

3911920892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532561 (or 532559 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 3911920892 is about 62545.3506825248. The cubic root of 3911920892 is about 1575.6630639918.

The spelling of 3911920892 in words is "three billion, nine hundred eleven million, nine hundred twenty thousand, eight hundred ninety-two".