7159898 has 4 divisors (see below), whose sum is σ = 10739850. Its totient is φ = 3579948.

The previous prime is 7159891. The next prime is 7159921. The reversal of 7159898 is 8989517.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4313929 + 2845969 = 2077^2 + 1687^2 .

It is not an unprimeable number, because it can be changed into a prime (7159891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1789973 + ... + 1789976.

Almost surely, 2^7159898 is an apocalyptic number.

7159898 is a deficient number, since it is larger than the sum of its proper divisors (3579952).

7159898 is a wasteful number, since it uses less digits than its factorization.

7159898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579951.

The product of its digits is 181440, while the sum is 47.

The square root of 7159898 is about 2675.7985723892. The cubic root of 7159898 is about 192.7387087591.

The spelling of 7159898 in words is "seven million, one hundred fifty-nine thousand, eight hundred ninety-eight".