434894646 has 32 divisors (see below), whose sum is σ = 921922560. Its totient is φ = 136294016.

The previous prime is 434894623. The next prime is 434894651. The reversal of 434894646 is 646498434.

It is a junction number, because it is equal to n+sod(n) for n = 434894595 and 434894604.

It is a congruent number.

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, 137875 + ... + 140993.

It is an arithmetic number, because the mean of its divisors is an integer number (28810080).

Almost surely, 2^434894646 is an apocalyptic number.

434894646 is an abundant number, since it is smaller than the sum of its proper divisors (487027914).

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

434894646 is a wasteful number, since it uses less digits than its factorization.

434894646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508.

The product of its digits is 1990656, while the sum is 48.

The square root of 434894646 is about 20854.1277928376. The cubic root of 434894646 is about 757.6373104460.

The spelling of 434894646 in words is "four hundred thirty-four million, eight hundred ninety-four thousand, six hundred forty-six".