8478898 has 4 divisors (see below), whose sum is σ = 12718350. Its totient is φ = 4239448.

The previous prime is 8478893. The next prime is 8478907. The reversal of 8478898 is 8988748.

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., 6744409 + 1734489 = 2597^2 + 1317^2 .

It is a super-2 number, since 2×8478898² = 143783422588808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8478893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119723 + ... + 2119726.

Almost surely, 2^8478898 is an apocalyptic number.

8478898 is a deficient number, since it is larger than the sum of its proper divisors (4239452).

8478898 is a wasteful number, since it uses less digits than its factorization.

8478898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239451.

The product of its digits is 1032192, while the sum is 52.

The square root of 8478898 is about 2911.8547353877. The cubic root of 8478898 is about 203.9137306636.

The spelling of 8478898 in words is "eight million, four hundred seventy-eight thousand, eight hundred ninety-eight".