491458392 has 24 divisors (see below), whose sum is σ = 1331033340. Its totient is φ = 163819440.

The previous prime is 491458391. The next prime is 491458397. The reversal of 491458392 is 293854194.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491458391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3412834 + ... + 3412977.

Almost surely, 2^491458392 is an apocalyptic number.

It is an amenable number.

491458392 is an abundant number, since it is smaller than the sum of its proper divisors (839574948).

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

491458392 is a wasteful number, since it uses less digits than its factorization.

491458392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825823 (or 6825816 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 491458392 is about 22168.8608638333. The cubic root of 491458392 is about 789.1548896664.

The spelling of 491458392 in words is "four hundred ninety-one million, four hundred fifty-eight thousand, three hundred ninety-two".