421460664 has 32 divisors (see below), whose sum is σ = 1073535120. Its totient is φ = 137835776.

The previous prime is 421460647. The next prime is 421460681. The reversal of 421460664 is 466064124.

It is an interprime number because it is at equal distance from previous prime (421460647) and next prime (421460681).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164397 + ... + 166940.

Almost surely, 2^421460664 is an apocalyptic number.

It is an amenable number.

421460664 is an abundant number, since it is smaller than the sum of its proper divisors (652074456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421460664 is a wasteful number, since it uses less digits than its factorization.

421460664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331399 (or 331395 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 421460664 is about 20529.5071543376. The cubic root of 421460664 is about 749.7543871301.

The spelling of 421460664 in words is "four hundred twenty-one million, four hundred sixty thousand, six hundred sixty-four".