420963804 has 60 divisors (see below), whose sum is σ = 1106182000. Its totient is φ = 139594752.

The previous prime is 420963743. The next prime is 420963817. The reversal of 420963804 is 408369024.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61212 + ... + 67740.

Almost surely, 2^420963804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420963804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553091000).

420963804 is an abundant number, since it is smaller than the sum of its proper divisors (685218196).

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

420963804 is a wasteful number, since it uses less digits than its factorization.

420963804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744 (or 6733 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 420963804 is about 20517.4024671741. The cubic root of 420963804 is about 749.4596427789.

The spelling of 420963804 in words is "four hundred twenty million, nine hundred sixty-three thousand, eight hundred four".