434428188 has 24 divisors (see below), whose sum is σ = 1014384000. Its totient is φ = 144706800.

The previous prime is 434428187. The next prime is 434428193. The reversal of 434428188 is 881824434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434428187) 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, 5913 + ... + 30063.

It is an arithmetic number, because the mean of its divisors is an integer number (42266000).

Almost surely, 2^434428188 is an apocalyptic number.

It is an amenable number.

434428188 is an abundant number, since it is smaller than the sum of its proper divisors (579955812).

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

434428188 is a wasteful number, since it uses less digits than its factorization.

434428188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25657 (or 25655 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 434428188 is about 20842.9409633094. The cubic root of 434428188 is about 757.3663387560.

The spelling of 434428188 in words is "four hundred thirty-four million, four hundred twenty-eight thousand, one hundred eighty-eight".