434220844 has 12 divisors (see below), whose sum is σ = 784399168. Its totient is φ = 210106800.

The previous prime is 434220833. The next prime is 434220847. The reversal of 434220844 is 448022434.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (434220847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750767 + ... + 1751014.

Almost surely, 2^434220844 is an apocalyptic number.

It is an amenable number.

434220844 is a deficient number, since it is larger than the sum of its proper divisors (350178324).

434220844 is a wasteful number, since it uses less digits than its factorization.

434220844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501816 (or 3501814 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

The square root of 434220844 is about 20837.9664074976. The cubic root of 434220844 is about 757.2458275795.

The spelling of 434220844 in words is "four hundred thirty-four million, two hundred twenty thousand, eight hundred forty-four".