83744406 has 24 divisors (see below), whose sum is σ = 183146184. Its totient is φ = 27653280.

The previous prime is 83744389. The next prime is 83744411. The reversal of 83744406 is 60444738.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19815 + ... + 23666.

It is an arithmetic number, because the mean of its divisors is an integer number (7631091).

Almost surely, 2^83744406 is an apocalyptic number.

83744406 is an abundant number, since it is smaller than the sum of its proper divisors (99401778).

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

83744406 is a wasteful number, since it uses less digits than its factorization.

83744406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43596 (or 43593 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 83744406 is about 9151.1969708886. The cubic root of 83744406 is about 437.5072647501.

The spelling of 83744406 in words is "eighty-three million, seven hundred forty-four thousand, four hundred six".