460291221 has 32 divisors (see below), whose sum is σ = 751470720. Its totient is φ = 276659712.

The previous prime is 460291213. The next prime is 460291229. The reversal of 460291221 is 122192064.

It is an interprime number because it is at equal distance from previous prime (460291213) and next prime (460291229).

It is not a de Polignac number, because 460291221 - 2³ = 460291213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460291229) 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 31 ways as a sum of consecutive naturals, for example, 156 + ... + 30341.

It is an arithmetic number, because the mean of its divisors is an integer number (23483460).

Almost surely, 2^460291221 is an apocalyptic number.

It is an amenable number.

460291221 is a deficient number, since it is larger than the sum of its proper divisors (291179499).

460291221 is a wasteful number, since it uses less digits than its factorization.

460291221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30562 (or 30556 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 460291221 is about 21454.3986399060. The cubic root of 460291221 is about 772.1071317449.

The spelling of 460291221 in words is "four hundred sixty million, two hundred ninety-one thousand, two hundred twenty-one".