8523898 has 4 divisors (see below), whose sum is σ = 12785850. Its totient is φ = 4261948.

The previous prime is 8523881. The next prime is 8523899. The reversal of 8523898 is 8983258.

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., 8369449 + 154449 = 2893^2 + 393^2 .

It is a super-2 number, since 2×8523898² = 145313674228808, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8523899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130973 + ... + 2130976.

Almost surely, 2^8523898 is an apocalyptic number.

8523898 is a deficient number, since it is larger than the sum of its proper divisors (4261952).

8523898 is a wasteful number, since it uses less digits than its factorization.

8523898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261951.

The product of its digits is 138240, while the sum is 43.

The square root of 8523898 is about 2919.5715439085. The cubic root of 8523898 is about 204.2738376856.

The spelling of 8523898 in words is "eight million, five hundred twenty-three thousand, eight hundred ninety-eight".