434320998 has 64 divisors (see below), whose sum is σ = 936893952. Its totient is φ = 133747200.

The previous prime is 434320993. The next prime is 434321009. The reversal of 434320998 is 899023434.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434320993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2510440 + ... + 2510612.

It is an arithmetic number, because the mean of its divisors is an integer number (14638968).

Almost surely, 2^434320998 is an apocalyptic number.

434320998 is an abundant number, since it is smaller than the sum of its proper divisors (502572954).

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

434320998 is a wasteful number, since it uses less digits than its factorization.

434320998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 434320998 is about 20840.3694305067. The cubic root of 434320998 is about 757.3040432467.

The spelling of 434320998 in words is "four hundred thirty-four million, three hundred twenty thousand, nine hundred ninety-eight".