491469704 has 64 divisors (see below), whose sum is σ = 1073571840. Its totient is φ = 208676160.

The previous prime is 491469701. The next prime is 491469707. The reversal of 491469704 is 407964194.

It is an interprime number because it is at equal distance from previous prime (491469701) and next prime (491469707).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (491469701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84209 + ... + 89855.

It is an arithmetic number, because the mean of its divisors is an integer number (16774560).

Almost surely, 2^491469704 is an apocalyptic number.

491469704 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491469704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536785920).

491469704 is an abundant number, since it is smaller than the sum of its proper divisors (582102136).

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

491469704 is a wasteful number, since it uses less digits than its factorization.

491469704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5726 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 491469704 is about 22169.1159950053. The cubic root of 491469704 is about 789.1609443340.

The spelling of 491469704 in words is "four hundred ninety-one million, four hundred sixty-nine thousand, seven hundred four".