1890466968 has 64 divisors (see below), whose sum is σ = 5311031040. Its totient is φ = 556389504.

The previous prime is 1890466951. The next prime is 1890466979. The reversal of 1890466968 is 8696640981.

It is a super-2 number, since 2×1890466968² = 7147730714198226048, which contains 22 as substring.

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, 124546 + ... + 138897.

It is an arithmetic number, because the mean of its divisors is an integer number (82984860).

Almost surely, 2^1890466968 is an apocalyptic number.

It is an amenable number.

1890466968 is an abundant number, since it is smaller than the sum of its proper divisors (3420564072).

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

1890466968 is a wasteful number, since it uses less digits than its factorization.

1890466968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263488 (or 263484 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The square root of 1890466968 is about 43479.5005491093. The cubic root of 1890466968 is about 1236.4874073964.

The spelling of 1890466968 in words is "one billion, eight hundred ninety million, four hundred sixty-six thousand, nine hundred sixty-eight".