8840742 has 16 divisors (see below), whose sum is σ = 17762112. Its totient is φ = 2933480.

The previous prime is 8840701. The next prime is 8840749. The reversal of 8840742 is 2470488.

It is a super-2 number, since 2×8840742² = 156317438221128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8840749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (1110132).

Almost surely, 2^8840742 is an apocalyptic number.

8840742 is an abundant number, since it is smaller than the sum of its proper divisors (8921370).

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

8840742 is a wasteful number, since it uses less digits than its factorization.

8840742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 8840742 is about 2973.3385276487. The cubic root of 8840742 is about 206.7741474691.

The spelling of 8840742 in words is "eight million, eight hundred forty thousand, seven hundred forty-two".