890091492 has 48 divisors (see below), whose sum is σ = 2113513920. Its totient is φ = 291506688.

The previous prime is 890091481. The next prime is 890091541. The reversal of 890091492 is 294190098.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171528 + ... + 176640.

It is an arithmetic number, because the mean of its divisors is an integer number (44031540).

Almost surely, 2^890091492 is an apocalyptic number.

It is an amenable number.

890091492 is an abundant number, since it is smaller than the sum of its proper divisors (1223422428).

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

890091492 is a wasteful number, since it uses less digits than its factorization.

890091492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5370 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 890091492 is about 29834.4011503499. The cubic root of 890091492 is about 961.9331315908.

The spelling of 890091492 in words is "eight hundred ninety million, ninety-one thousand, four hundred ninety-two".