421960704 has 88 divisors (see below), whose sum is σ = 1227020928. Its totient is φ = 127856640.

The previous prime is 421960703. The next prime is 421960717. The reversal of 421960704 is 407069124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421960703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27549 + ... + 40035.

Almost surely, 2^421960704 is an apocalyptic number.

421960704 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421960704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613510464).

421960704 is an abundant number, since it is smaller than the sum of its proper divisors (805060224).

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

421960704 is a wasteful number, since it uses less digits than its factorization.

421960704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521 (or 12503 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 421960704 is about 20541.6821122322. The cubic root of 421960704 is about 750.0507841168.

The spelling of 421960704 in words is "four hundred twenty-one million, nine hundred sixty thousand, seven hundred four".