998429570 has 8 divisors (see below), whose sum is σ = 1797173244. Its totient is φ = 399371824.

The previous prime is 998429569. The next prime is 998429591. The reversal of 998429570 is 75924899.

It can be written as a sum of positive squares in 2 ways, for example, as 981380929 + 17048641 = 31327^2 + 4129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49921469 + ... + 49921488.

Almost surely, 2^998429570 is an apocalyptic number.

998429570 is a deficient number, since it is larger than the sum of its proper divisors (798743674).

998429570 is a wasteful number, since it uses less digits than its factorization.

998429570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99842964.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 998429570 is about 31597.9361667815. The cubic root of 998429570 is about 999.4762490662.

The spelling of 998429570 in words is "nine hundred ninety-eight million, four hundred twenty-nine thousand, five hundred seventy".