491382052 has 24 divisors (see below), whose sum is σ = 1009327424. Its totient is φ = 204900192.

The previous prime is 491382049. The next prime is 491382079. The reversal of 491382052 is 250283194.

It is a junction number, because it is equal to n+sod(n) for n = 491381999 and 491382017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236118 + ... + 238189.

Almost surely, 2^491382052 is an apocalyptic number.

It is an amenable number.

491382052 is an abundant number, since it is smaller than the sum of its proper divisors (517945372).

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

491382052 is a wasteful number, since it uses less digits than its factorization.

491382052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474355 (or 474353 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 491382052 is about 22167.1390125113. The cubic root of 491382052 is about 789.1140267946.

The spelling of 491382052 in words is "four hundred ninety-one million, three hundred eighty-two thousand, fifty-two".