434143984 has 40 divisors (see below), whose sum is σ = 855882720. Its totient is φ = 213292800.

The previous prime is 434143981. The next prime is 434143991. The reversal of 434143984 is 489341434.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434143981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523282 + ... + 524110.

It is an arithmetic number, because the mean of its divisors is an integer number (21397068).

Almost surely, 2^434143984 is an apocalyptic number.

It is an amenable number.

434143984 is a deficient number, since it is larger than the sum of its proper divisors (421738736).

434143984 is a wasteful number, since it uses less digits than its factorization.

434143984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1363 counting only the distinct ones).

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

The square root of 434143984 is about 20836.1220960139. The cubic root of 434143984 is about 757.2011457473.

The spelling of 434143984 in words is "four hundred thirty-four million, one hundred forty-three thousand, nine hundred eighty-four".