420875046 has 24 divisors (see below), whose sum is σ = 921300744. Its totient is φ = 138844800.

The previous prime is 420875033. The next prime is 420875047. The reversal of 420875046 is 640578024.

It is a self number, because there is not a number n which added to its sum of digits gives 420875046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420875047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118780 + ... + 122271.

It is an arithmetic number, because the mean of its divisors is an integer number (38387531).

Almost surely, 2^420875046 is an apocalyptic number.

420875046 is an abundant number, since it is smaller than the sum of its proper divisors (500425698).

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

420875046 is a wasteful number, since it uses less digits than its factorization.

420875046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241156 (or 241153 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 420875046 is about 20515.2393600465. The cubic root of 420875046 is about 749.4069658710.

The spelling of 420875046 in words is "four hundred twenty million, eight hundred seventy-five thousand, forty-six".