460985639 has 4 divisors (see below), whose sum is σ = 465294024. Its totient is φ = 456677256.

The previous prime is 460985633. The next prime is 460985663. The reversal of 460985639 is 936589064.

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 460985639 - 2⁸ = 460985383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460985633) 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, 2154032 + ... + 2154245.

It is an arithmetic number, because the mean of its divisors is an integer number (116323506).

Almost surely, 2^460985639 is an apocalyptic number.

460985639 is a deficient number, since it is larger than the sum of its proper divisors (4308385).

460985639 is a wasteful number, since it uses less digits than its factorization.

460985639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308384.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 460985639 is about 21470.5761217532. The cubic root of 460985639 is about 772.4952162612.

The spelling of 460985639 in words is "four hundred sixty million, nine hundred eighty-five thousand, six hundred thirty-nine".