420422394 has 32 divisors (see below), whose sum is σ = 979102080. Its totient is φ = 117853632.

The previous prime is 420422389. The next prime is 420422407. The reversal of 420422394 is 493224024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92209 + ... + 96660.

It is an arithmetic number, because the mean of its divisors is an integer number (30596940).

Almost surely, 2^420422394 is an apocalyptic number.

420422394 is an abundant number, since it is smaller than the sum of its proper divisors (558679686).

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

420422394 is a wasteful number, since it uses less digits than its factorization.

420422394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188934.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 420422394 is about 20504.2043005819. The cubic root of 420422394 is about 749.1382065732.

The spelling of 420422394 in words is "four hundred twenty million, four hundred twenty-two thousand, three hundred ninety-four".