429497998 has 32 divisors (see below), whose sum is σ = 696213504. Its totient is φ = 198186912.

The previous prime is 429497989. The next prime is 429498007. The reversal of 429497998 is 899794924.

It is an interprime number because it is at equal distance from previous prime (429497989) and next prime (429498007).

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, 215161 + ... + 217147.

It is an arithmetic number, because the mean of its divisors is an integer number (21756672).

Almost surely, 2^429497998 is an apocalyptic number.

429497998 is a deficient number, since it is larger than the sum of its proper divisors (266715506).

429497998 is a wasteful number, since it uses less digits than its factorization.

429497998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176.

The product of its digits is 11757312, while the sum is 61.

The square root of 429497998 is about 20724.3334754100. Note that the first 3 decimals coincide. The cubic root of 429497998 is about 754.4903936464.

The spelling of 429497998 in words is "four hundred twenty-nine million, four hundred ninety-seven thousand, nine hundred ninety-eight".