421064376 has 32 divisors (see below), whose sum is σ = 1056477840. Its totient is φ = 139845888.

The previous prime is 421064359. The next prime is 421064389. The reversal of 421064376 is 673460124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25021 + ... + 38316.

Almost surely, 2^421064376 is an apocalyptic number.

It is an amenable number.

421064376 is an abundant number, since it is smaller than the sum of its proper divisors (635413464).

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

421064376 is a wasteful number, since it uses less digits than its factorization.

421064376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63623 (or 63619 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 421064376 is about 20519.8532158493. The cubic root of 421064376 is about 749.5193222199.

It can be divided in two parts, 4210 and 64376, that added together give a palindrome (68586).

The spelling of 421064376 in words is "four hundred twenty-one million, sixty-four thousand, three hundred seventy-six".