485974439 has 4 divisors (see below), whose sum is σ = 488689560. Its totient is φ = 483259320.

The previous prime is 485974421. The next prime is 485974453. The reversal of 485974439 is 934479584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485974439 - 2⁸ = 485974183 is a prime.

It is a super-2 number, since 2×485974439² = 472342310722729442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485974409) 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, 1357292 + ... + 1357649.

It is an arithmetic number, because the mean of its divisors is an integer number (122172390).

Almost surely, 2^485974439 is an apocalyptic number.

485974439 is a deficient number, since it is larger than the sum of its proper divisors (2715121).

485974439 is a wasteful number, since it uses less digits than its factorization.

485974439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715120.

The product of its digits is 4354560, while the sum is 53.

The square root of 485974439 is about 22044.8279421727. The cubic root of 485974439 is about 786.2086343233.

The spelling of 485974439 in words is "four hundred eighty-five million, nine hundred seventy-four thousand, four hundred thirty-nine".