8140944 has 40 divisors (see below), whose sum is σ = 24036160. Its totient is φ = 2325888.

The previous prime is 8140927. The next prime is 8140961. The reversal of 8140944 is 4490418.

It is an interprime number because it is at equal distance from previous prime (8140927) and next prime (8140961).

It is a super-2 number, since 2×8140944² = 132549938422272, which contains 22 as substring.

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, 11779 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (600904).

Almost surely, 2^8140944 is an apocalyptic number.

8140944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8140944 is an abundant number, since it is smaller than the sum of its proper divisors (15895216).

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

8140944 is a wasteful number, since it uses less digits than its factorization.

8140944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24247 (or 24241 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8140944 is about 2853.2339546557. The cubic root of 8140944 is about 201.1677024203.

The spelling of 8140944 in words is "eight million, one hundred forty thousand, nine hundred forty-four".