8840730 has 32 divisors (see below), whose sum is σ = 21570048. Its totient is φ = 2318400.

The previous prime is 8840701. The next prime is 8840749. The reversal of 8840730 is 370488.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a nialpdrome in base 15.

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 15 ways as a sum of consecutive naturals, for example, 586 + ... + 4245.

It is an arithmetic number, because the mean of its divisors is an integer number (674064).

Almost surely, 2^8840730 is an apocalyptic number.

8840730 is an abundant number, since it is smaller than the sum of its proper divisors (12729318).

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

8840730 is a wasteful number, since it uses less digits than its factorization.

8840730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8840730 is about 2973.3365097143. The cubic root of 8840730 is about 206.7740539139.

The spelling of 8840730 in words is "eight million, eight hundred forty thousand, seven hundred thirty".