498978574 has 4 divisors (see below), whose sum is σ = 748467864. Its totient is φ = 249489286.

The previous prime is 498978541. The next prime is 498978593. The reversal of 498978574 is 475879894.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×498978574² = 497959234622146952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124744642 + ... + 124744645.

It is an arithmetic number, because the mean of its divisors is an integer number (187116966).

Almost surely, 2^498978574 is an apocalyptic number.

498978574 is a deficient number, since it is larger than the sum of its proper divisors (249489290).

498978574 is a wasteful number, since it uses less digits than its factorization.

498978574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249489289.

The product of its digits is 20321280, while the sum is 61.

The square root of 498978574 is about 22337.8283187959. The cubic root of 498978574 is about 793.1596866295.

The spelling of 498978574 in words is "four hundred ninety-eight million, nine hundred seventy-eight thousand, five hundred seventy-four".