497630655 has 16 divisors (see below), whose sum is σ = 884676960. Its totient is φ = 265402944.

The previous prime is 497630591. The next prime is 497630657. The reversal of 497630655 is 556036794.

497630655 is a `hidden beast` number, since 4 + 9 + 7 + 630 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 497630655 - 2⁶ = 497630591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 497630655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497630657) 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, 1842942 + ... + 1843211.

It is an arithmetic number, because the mean of its divisors is an integer number (55292310).

Almost surely, 2^497630655 is an apocalyptic number.

497630655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

497630655 is a deficient number, since it is larger than the sum of its proper divisors (387046305).

497630655 is a wasteful number, since it uses less digits than its factorization.

497630655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686167 (or 3686161 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 497630655 is about 22307.6366968803. The cubic root of 497630655 is about 792.4448402068. Note that the first 3 decimals are identical.

The spelling of 497630655 in words is "four hundred ninety-seven million, six hundred thirty thousand, six hundred fifty-five".