479897 has 4 divisors (see below), whose sum is σ = 523536. Its totient is φ = 436260.

The previous prime is 479891. The next prime is 479903. The reversal of 479897 is 798974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (479891) and next prime (479903).

It is not a de Polignac number, because 479897 - 2⁴ = 479881 is a prime.

It is a super-2 number, since 2×479897² = 460602261218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479891) 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, 21803 + ... + 21824.

It is an arithmetic number, because the mean of its divisors is an integer number (130884).

2⁴⁷⁹⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

479897 is a deficient number, since it is larger than the sum of its proper divisors (43639).

479897 is a wasteful number, since it uses less digits than its factorization.

479897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43638.

The product of its digits is 127008, while the sum is 44.

The square root of 479897 is about 692.7459851923. The cubic root of 479897 is about 78.2917519871.

The spelling of 479897 in words is "four hundred seventy-nine thousand, eight hundred ninety-seven".