493979554 has 16 divisors (see below), whose sum is σ = 749990592. Its totient is φ = 243994608.

The previous prime is 493979531. The next prime is 493979573. The reversal of 493979554 is 455979394.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 493979495 and 493979504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88552 + ... + 93964.

It is an arithmetic number, because the mean of its divisors is an integer number (46874412).

Almost surely, 2^493979554 is an apocalyptic number.

493979554 is a deficient number, since it is larger than the sum of its proper divisors (256011038).

493979554 is a wasteful number, since it uses less digits than its factorization.

493979554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961.

The product of its digits is 6123600, while the sum is 55.

The square root of 493979554 is about 22225.6508116185. The cubic root of 493979554 is about 790.5020330851.

The spelling of 493979554 in words is "four hundred ninety-three million, nine hundred seventy-nine thousand, five hundred fifty-four".