497453994 has 64 divisors (see below), whose sum is σ = 1158336000. Its totient is φ = 158034240.

The previous prime is 497453989. The next prime is 497454037. The reversal of 497453994 is 499354794.

It is a super-2 number, since 2×497453994² = 494920952293104072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 497453994.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121704 + ... + 125724.

It is an arithmetic number, because the mean of its divisors is an integer number (18099000).

Almost surely, 2^497453994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497453994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579168000).

497453994 is an abundant number, since it is smaller than the sum of its proper divisors (660882006).

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

497453994 is a wasteful number, since it uses less digits than its factorization.

497453994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4134 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 497453994 is about 22303.6766924200. The cubic root of 497453994 is about 792.3510553445.

The spelling of 497453994 in words is "four hundred ninety-seven million, four hundred fifty-three thousand, nine hundred ninety-four".