8479998 has 16 divisors (see below), whose sum is σ = 18844560. Its totient is φ = 2826648.

The previous prime is 8479981. The next prime is 8480033. The reversal of 8479998 is 8999748.

8479998 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 157037 = 8479998 / (8 + 4 + 7 + 9 + 9 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78465 + ... + 78572.

It is an arithmetic number, because the mean of its divisors is an integer number (1177785).

Almost surely, 2^8479998 is an apocalyptic number.

8479998 is an abundant number, since it is smaller than the sum of its proper divisors (10364562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8479998 is a wasteful number, since it uses less digits than its factorization.

8479998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157048 (or 157042 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 8479998 is about 2912.0436123108. The cubic root of 8479998 is about 203.9225484528.

The spelling of 8479998 in words is "eight million, four hundred seventy-nine thousand, nine hundred ninety-eight".