479693390 has 16 divisors (see below), whose sum is σ = 941943600. Its totient is φ = 174433920.

The previous prime is 479693381. The next prime is 479693393. The reversal of 479693390 is 93396974.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479693393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180315 + ... + 2180534.

It is an arithmetic number, because the mean of its divisors is an integer number (58871475).

Almost surely, 2^479693390 is an apocalyptic number.

479693390 is a deficient number, since it is larger than the sum of its proper divisors (462250210).

479693390 is a wasteful number, since it uses less digits than its factorization.

479693390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360867.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 479693390 is about 21901.9037985286. The cubic root of 479693390 is about 782.8067791729.

The spelling of 479693390 in words is "four hundred seventy-nine million, six hundred ninety-three thousand, three hundred ninety".