420031194 has 32 divisors (see below), whose sum is σ = 917728704. Its totient is φ = 127102080.

The previous prime is 420031193. The next prime is 420031231. The reversal of 420031194 is 491130024.

It is not an unprimeable number, because it can be changed into a prime (420031193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46902 + ... + 55134.

It is an arithmetic number, because the mean of its divisors is an integer number (28679022).

Almost surely, 2^420031194 is an apocalyptic number.

420031194 is an abundant number, since it is smaller than the sum of its proper divisors (497697510).

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

420031194 is a wasteful number, since it uses less digits than its factorization.

420031194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 420031194 is about 20494.6625734604. The cubic root of 420031194 is about 748.9057785712.

The spelling of 420031194 in words is "four hundred twenty million, thirty-one thousand, one hundred ninety-four".