434684920 has 16 divisors (see below), whose sum is σ = 978041160. Its totient is φ = 173873952.

The previous prime is 434684909. The next prime is 434684927. The reversal of 434684920 is 29486434.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 10867123 = 434684920 / (4 + 3 + 4 + 6 + 8 + 4 + 9 + 2 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434684927) 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, 5433522 + ... + 5433601.

Almost surely, 2^434684920 is an apocalyptic number.

434684920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434684920 is an abundant number, since it is smaller than the sum of its proper divisors (543356240).

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

434684920 is a wasteful number, since it uses less digits than its factorization.

434684920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867134 (or 10867130 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 434684920 is about 20849.0987814821. The cubic root of 434684920 is about 757.5155017940.

The spelling of 434684920 in words is "four hundred thirty-four million, six hundred eighty-four thousand, nine hundred twenty".