497979648 has 162 divisors, whose sum is σ = 1492801674. Its totient is φ = 159645696.

The previous prime is 497979631. The next prime is 497979659. The reversal of 497979648 is 846979794.

It can be written as a sum of positive squares in 3 ways, for example, as 230068224 + 267911424 = 15168^2 + 16368^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1937536 + ... + 1937792.

Almost surely, 2^497979648 is an apocalyptic number.

497979648 is a gapful number since it is divisible by the number (48) 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 497979648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746400837).

497979648 is an abundant number, since it is smaller than the sum of its proper divisors (994822026).

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

497979648 is a wasteful number, since it uses less digits than its factorization.

497979648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 291 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 497979648 is about 22315.4576022989. The cubic root of 497979648 is about 792.6300465599.

The spelling of 497979648 in words is "four hundred ninety-seven million, nine hundred seventy-nine thousand, six hundred forty-eight".