491267802 has 16 divisors (see below), whose sum is σ = 1040332032. Its totient is φ = 154123200.

The previous prime is 491267789. The next prime is 491267809. The reversal of 491267802 is 208762194.

It is a super-2 number, since 2×491267802² = 482688106563822408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (491267809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408074 + ... + 2408277.

It is an arithmetic number, because the mean of its divisors is an integer number (65020752).

Almost surely, 2^491267802 is an apocalyptic number.

491267802 is an abundant number, since it is smaller than the sum of its proper divisors (549064230).

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

491267802 is a wasteful number, since it uses less digits than its factorization.

491267802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816373.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 491267802 is about 22164.5618499442. The cubic root of 491267802 is about 789.0528637508.

The spelling of 491267802 in words is "four hundred ninety-one million, two hundred sixty-seven thousand, eight hundred two".