8426990 has 64 divisors (see below), whose sum is σ = 18289152. Its totient is φ = 2755200.

The previous prime is 8426989. The next prime is 8427031. The reversal of 8426990 is 996248.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101489 + ... + 101571.

It is an arithmetic number, because the mean of its divisors is an integer number (285768).

Almost surely, 2^8426990 is an apocalyptic number.

8426990 is an abundant number, since it is smaller than the sum of its proper divisors (9862162).

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

8426990 is a wasteful number, since it uses less digits than its factorization.

8426990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 8426990 is about 2902.9278323789. The cubic root of 8426990 is about 203.4967571478.

The spelling of 8426990 in words is "eight million, four hundred twenty-six thousand, nine hundred ninety".