498389564 has 12 divisors (see below), whose sum is σ = 873642000. Its totient is φ = 248777568.

The previous prime is 498389539. The next prime is 498389569. The reversal of 498389564 is 465983894.

It is a happy number.

It is a super-2 number, since 2×498389564² = 496784315008220192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498389569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101609 + ... + 106400.

It is an arithmetic number, because the mean of its divisors is an integer number (72803500).

Almost surely, 2^498389564 is an apocalyptic number.

It is an amenable number.

498389564 is a deficient number, since it is larger than the sum of its proper divisors (375252436).

498389564 is a wasteful number, since it uses less digits than its factorization.

498389564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208612 (or 208610 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 56.

The square root of 498389564 is about 22324.6402882555. The cubic root of 498389564 is about 792.8474735364.

The spelling of 498389564 in words is "four hundred ninety-eight million, three hundred eighty-nine thousand, five hundred sixty-four".