479785449 has 48 divisors (see below), whose sum is σ = 762019776. Its totient is φ = 266724480.

The previous prime is 479785429. The next prime is 479785469. The reversal of 479785449 is 944587974.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (479785429) and next prime (479785469).

It is not a de Polignac number, because 479785449 - 2⁵ = 479785417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479785429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1382494 + ... + 1382840.

It is an arithmetic number, because the mean of its divisors is an integer number (15875412).

Almost surely, 2^479785449 is an apocalyptic number.

It is an amenable number.

479785449 is a deficient number, since it is larger than the sum of its proper divisors (282234327).

479785449 is a wasteful number, since it uses less digits than its factorization.

479785449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 667 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 479785449 is about 21904.0053186626. The cubic root of 479785449 is about 782.8568526860.

The spelling of 479785449 in words is "four hundred seventy-nine million, seven hundred eighty-five thousand, four hundred forty-nine".