421207260 has 48 divisors (see below), whose sum is σ = 1211261856. Its totient is φ = 109285632.

The previous prime is 421207229. The next prime is 421207277. The reversal of 421207260 is 62702124.

It is a self number, because there is not a number n which added to its sum of digits gives 421207260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92647 + ... + 97086.

It is an arithmetic number, because the mean of its divisors is an integer number (25234622).

Almost surely, 2^421207260 is an apocalyptic number.

It is an amenable number.

421207260 is an abundant number, since it is smaller than the sum of its proper divisors (790054596).

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

421207260 is a wasteful number, since it uses less digits than its factorization.

421207260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189782 (or 189780 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 421207260 is about 20523.3345243895. The cubic root of 421207260 is about 749.6040932695.

Adding to 421207260 its reverse (62702124), we get a palindrome (483909384).

The spelling of 421207260 in words is "four hundred twenty-one million, two hundred seven thousand, two hundred sixty".