421446294 has 16 divisors (see below), whose sum is σ = 936547440. Its totient is φ = 140482080.

The previous prime is 421446293. The next prime is 421446307. The reversal of 421446294 is 492644124.

It is a happy number.

421446294 is a `hidden beast` number, since 4 + 21 + 4 + 4 + 629 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421446293) 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, 3902227 + ... + 3902334.

It is an arithmetic number, because the mean of its divisors is an integer number (58534215).

Almost surely, 2^421446294 is an apocalyptic number.

421446294 is an abundant number, since it is smaller than the sum of its proper divisors (515101146).

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

421446294 is a wasteful number, since it uses less digits than its factorization.

421446294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804572 (or 7804566 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 421446294 is about 20529.1571673072. The cubic root of 421446294 is about 749.7458658975.

The spelling of 421446294 in words is "four hundred twenty-one million, four hundred forty-six thousand, two hundred ninety-four".