434408646 has 32 divisors (see below), whose sum is σ = 998097408. Its totient is φ = 123471360.

The previous prime is 434408621. The next prime is 434408651. The reversal of 434408646 is 646804434.

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, 18690 + ... + 34901.

It is an arithmetic number, because the mean of its divisors is an integer number (31190544).

Almost surely, 2^434408646 is an apocalyptic number.

434408646 is an abundant number, since it is smaller than the sum of its proper divisors (563688762).

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

434408646 is a wasteful number, since it uses less digits than its factorization.

434408646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53796.

The product of its (nonzero) digits is 221184, while the sum is 39.

The square root of 434408646 is about 20842.4721662283. The cubic root of 434408646 is about 757.3549823145.

The spelling of 434408646 in words is "four hundred thirty-four million, four hundred eight thousand, six hundred forty-six".