83140344 has 80 divisors (see below), whose sum is σ = 266151600. Its totient is φ = 23753088.

The previous prime is 83140327. The next prime is 83140363. The reversal of 83140344 is 44304138.

83140344 is a `hidden beast` number, since 8 + 314 + 0 + 344 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4629 + ... + 13700.

It is an arithmetic number, because the mean of its divisors is an integer number (3326895).

Almost surely, 2^83140344 is an apocalyptic number.

83140344 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

83140344 is an abundant number, since it is smaller than the sum of its proper divisors (183011256).

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

83140344 is a wasteful number, since it uses less digits than its factorization.

83140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354 (or 18341 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 83140344 is about 9118.1327035748. The cubic root of 83140344 is about 436.4527883185.

The spelling of 83140344 in words is "eighty-three million, one hundred forty thousand, three hundred forty-four".