497851398 has 24 divisors (see below), whose sum is σ = 1176740136. Its totient is φ = 150864000.

The previous prime is 497851363. The next prime is 497851411. The reversal of 497851398 is 893158794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1257003 + ... + 1257398.

It is an arithmetic number, because the mean of its divisors is an integer number (49030839).

Almost surely, 2^497851398 is an apocalyptic number.

497851398 is an abundant number, since it is smaller than the sum of its proper divisors (678888738).

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

497851398 is a wasteful number, since it uses less digits than its factorization.

497851398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514420 (or 2514417 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 497851398 is about 22312.5838485819. The cubic root of 497851398 is about 792.5619958997.

The spelling of 497851398 in words is "four hundred ninety-seven million, eight hundred fifty-one thousand, three hundred ninety-eight".