479658049 has 4 divisors (see below), whose sum is σ = 516554836. Its totient is φ = 442761264.

The previous prime is 479658019. The next prime is 479658061. The reversal of 479658049 is 940856974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940856974 = 2 ⋅470428487.

It can be written as a sum of positive squares in 2 ways, for example, as 192016449 + 287641600 = 13857^2 + 16960^2 .

It is a cyclic number.

It is not a de Polignac number, because 479658049 - 2⁵ = 479658017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479657987 and 479658005.

It is not an unprimeable number, because it can be changed into a prime (479658019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18448374 + ... + 18448399.

It is an arithmetic number, because the mean of its divisors is an integer number (129138709).

Almost surely, 2^479658049 is an apocalyptic number.

It is an amenable number.

479658049 is a deficient number, since it is larger than the sum of its proper divisors (36896787).

479658049 is a wasteful number, since it uses less digits than its factorization.

479658049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36896786.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 479658049 is about 21901.0969816582. The cubic root of 479658049 is about 782.7875544942.

The spelling of 479658049 in words is "four hundred seventy-nine million, six hundred fifty-eight thousand, forty-nine".