434438998 has 32 divisors (see below), whose sum is σ = 761889600. Its totient is φ = 185713920.

The previous prime is 434438981. The next prime is 434439017. The reversal of 434438998 is 899834434.

It is a happy number.

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, 461208 + ... + 462148.

It is an arithmetic number, because the mean of its divisors is an integer number (23809050).

Almost surely, 2^434438998 is an apocalyptic number.

434438998 is a deficient number, since it is larger than the sum of its proper divisors (327450602).

434438998 is an equidigital number, since it uses as much as digits as its factorization.

434438998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1623 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 434438998 is about 20843.2002821064. The cubic root of 434438998 is about 757.3726206245.

It can be divided in two parts, 43443 and 8998, that added together give a square (52441 = 229²).

The spelling of 434438998 in words is "four hundred thirty-four million, four hundred thirty-eight thousand, nine hundred ninety-eight".