1926257968 has 20 divisors (see below), whose sum is σ = 3733519720. Its totient is φ = 962769024.

The previous prime is 1926257953. The next prime is 1926257989. The reversal of 1926257968 is 8697526291.

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, 24643 + ... + 66781.

It is an arithmetic number, because the mean of its divisors is an integer number (186675986).

Almost surely, 2^1926257968 is an apocalyptic number.

It is an amenable number.

1926257968 is a deficient number, since it is larger than the sum of its proper divisors (1807261752).

1926257968 is a wasteful number, since it uses less digits than its factorization.

1926257968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45004 (or 44998 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 1926257968 is about 43889.1554714829. The cubic root of 1926257968 is about 1244.2418825016.

The spelling of 1926257968 in words is "one billion, nine hundred twenty-six million, two hundred fifty-seven thousand, nine hundred sixty-eight".