497407994 has 8 divisors (see below), whose sum is σ = 746251380. Its totient is φ = 248657536.

The previous prime is 497407991. The next prime is 497408017. The reversal of 497407994 is 499704794.

It can be written as a sum of positive squares in 2 ways, for example, as 496621225 + 786769 = 22285^2 + 887^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (497407991) 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, 7799 + ... + 32490.

Almost surely, 2^497407994 is an apocalyptic number.

497407994 is a deficient number, since it is larger than the sum of its proper divisors (248843386).

497407994 is a wasteful number, since it uses less digits than its factorization.

497407994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46464.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 497407994 is about 22302.6454484664. The cubic root of 497407994 is about 792.3266314631.

The spelling of 497407994 in words is "four hundred ninety-seven million, four hundred seven thousand, nine hundred ninety-four".