869198342 has 4 divisors (see below), whose sum is σ = 1303797516. Its totient is φ = 434599170.

The previous prime is 869198329. The next prime is 869198399. The reversal of 869198342 is 243891968.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217299584 + ... + 217299587.

It is an arithmetic number, because the mean of its divisors is an integer number (325949379).

Almost surely, 2^869198342 is an apocalyptic number.

869198342 is a deficient number, since it is larger than the sum of its proper divisors (434599174).

869198342 is a wasteful number, since it uses less digits than its factorization.

869198342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434599173.

The product of its digits is 746496, while the sum is 50.

The square root of 869198342 is about 29482.1698997886. The cubic root of 869198342 is about 954.3469643498.

The spelling of 869198342 in words is "eight hundred sixty-nine million, one hundred ninety-eight thousand, three hundred forty-two".