8978722 has 8 divisors (see below), whose sum is σ = 13484736. Its totient is φ = 4483812.

The previous prime is 8978707. The next prime is 8978743. The reversal of 8978722 is 2278798.

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, 318 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (1685592).

Almost surely, 2^8978722 is an apocalyptic number.

8978722 is a deficient number, since it is larger than the sum of its proper divisors (4506014).

8978722 is a wasteful number, since it uses less digits than its factorization.

8978722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552.

The product of its digits is 112896, while the sum is 43.

The square root of 8978722 is about 2996.4515681052. The cubic root of 8978722 is about 207.8443269361.

It can be divided in two parts, 8978 and 722, that multiplied together give a square (6482116 = 2546²).

The spelling of 8978722 in words is "eight million, nine hundred seventy-eight thousand, seven hundred twenty-two".