460321987 has 4 divisors (see below), whose sum is σ = 484549480. Its totient is φ = 436094496.

The previous prime is 460321969. The next prime is 460321993. The reversal of 460321987 is 789123064.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-460321987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (460321957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113718 + ... + 12113755.

It is an arithmetic number, because the mean of its divisors is an integer number (121137370).

Almost surely, 2^460321987 is an apocalyptic number.

460321987 is a deficient number, since it is larger than the sum of its proper divisors (24227493).

460321987 is a wasteful number, since it uses less digits than its factorization.

460321987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24227492.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 460321987 is about 21455.1156370689. The cubic root of 460321987 is about 772.1243339839.

The spelling of 460321987 in words is "four hundred sixty million, three hundred twenty-one thousand, nine hundred eighty-seven".