434780944 has 80 divisors (see below), whose sum is σ = 928829440. Its totient is φ = 195955200.

The previous prime is 434780939. The next prime is 434780999. The reversal of 434780944 is 449087434.

It is a super-2 number, since 2×434780944² = 378068938531062272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 434780944.

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, 2879269 + ... + 2879419.

It is an arithmetic number, because the mean of its divisors is an integer number (11610368).

Almost surely, 2^434780944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434780944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464414720).

434780944 is an abundant number, since it is smaller than the sum of its proper divisors (494048496).

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

434780944 is a wasteful number, since it uses less digits than its factorization.

434780944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 434780944 is about 20851.4014876698. The cubic root of 434780944 is about 757.5712772992.

The spelling of 434780944 in words is "four hundred thirty-four million, seven hundred eighty thousand, nine hundred forty-four".