8426988 has 18 divisors (see below), whose sum is σ = 21301644. Its totient is φ = 2808984.

The previous prime is 8426983. The next prime is 8426989. The reversal of 8426988 is 8896248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-5 number, since 5×8426988⁵ (a number of 36 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (8426983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117006 + ... + 117077.

Almost surely, 2^8426988 is an apocalyptic number.

It is an amenable number.

8426988 is an abundant number, since it is smaller than the sum of its proper divisors (12874656).

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

8426988 is a wasteful number, since it uses less digits than its factorization.

8426988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234093 (or 234088 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 8426988 is about 2902.9274878991. The cubic root of 8426988 is about 203.4967410490.

It can be divided in two parts, 84 and 26988, that added together give a palindrome (27072).

The spelling of 8426988 in words is "eight million, four hundred twenty-six thousand, nine hundred eighty-eight".