434984418 has 80 divisors (see below), whose sum is σ = 1109630016. Its totient is φ = 126070560.

The previous prime is 434984401. The next prime is 434984503. The reversal of 434984418 is 814489434.

It is a super-2 number, since 2×434984418² = 378422887805597448, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35680 + ... + 46292.

Almost surely, 2^434984418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434984418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554815008).

434984418 is an abundant number, since it is smaller than the sum of its proper divisors (674645598).

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

434984418 is a wasteful number, since it uses less digits than its factorization.

434984418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661 (or 10652 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 434984418 is about 20856.2800614108. The cubic root of 434984418 is about 757.6894379654.

The spelling of 434984418 in words is "four hundred thirty-four million, nine hundred eighty-four thousand, four hundred eighteen".