479109492 has 36 divisors (see below), whose sum is σ = 1255939776. Its totient is φ = 159702840.

The previous prime is 479109469. The next prime is 479109497. The reversal of 479109492 is 294901974.

It is a happy number.

479109492 is a `hidden beast` number, since 479 + 1 + 0 + 94 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479109497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245484 + ... + 247427.

It is an arithmetic number, because the mean of its divisors is an integer number (34887216).

Almost surely, 2^479109492 is an apocalyptic number.

It is an amenable number.

479109492 is an abundant number, since it is smaller than the sum of its proper divisors (776830284).

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

479109492 is a wasteful number, since it uses less digits than its factorization.

479109492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492930 (or 492916 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 479109492 is about 21888.5698938967. The cubic root of 479109492 is about 782.4890311385.

The spelling of 479109492 in words is "four hundred seventy-nine million, one hundred nine thousand, four hundred ninety-two".