8959618 has 4 divisors (see below), whose sum is σ = 13439430. Its totient is φ = 4479808.

The previous prime is 8959603. The next prime is 8959667. The reversal of 8959618 is 8169598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8169598 = 2 ⋅4084799.

It can be written as a sum of positive squares in only one way, i.e., 8392609 + 567009 = 2897^2 + 753^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239903 + ... + 2239906.

Almost surely, 2^8959618 is an apocalyptic number.

8959618 is a deficient number, since it is larger than the sum of its proper divisors (4479812).

8959618 is a wasteful number, since it uses less digits than its factorization.

8959618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479811.

The product of its digits is 155520, while the sum is 46.

The square root of 8959618 is about 2993.2621001175. The cubic root of 8959618 is about 207.6968123465.

The spelling of 8959618 in words is "eight million, nine hundred fifty-nine thousand, six hundred eighteen".