421290576 has 60 divisors (see below), whose sum is σ = 1347464352. Its totient is φ = 120368448.

The previous prime is 421290533. The next prime is 421290581. The reversal of 421290576 is 675092124.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 421290576.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207966 + ... + 209981.

Almost surely, 2^421290576 is an apocalyptic number.

It is an amenable number.

421290576 is an abundant number, since it is smaller than the sum of its proper divisors (926173776).

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

421290576 is a wasteful number, since it uses less digits than its factorization.

421290576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417968 (or 417959 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 421290576 is about 20525.3642111413. The cubic root of 421290576 is about 749.6535146218.

The spelling of 421290576 in words is "four hundred twenty-one million, two hundred ninety thousand, five hundred seventy-six".