8820937 has 4 divisors (see below), whose sum is σ = 9204480. Its totient is φ = 8437396.

The previous prime is 8820923. The next prime is 8820947. The reversal of 8820937 is 7390288.

It is the 1213-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8820937 - 2¹⁹ = 8296649 is a prime.

It is a Duffinian number.

8820937 is a lucky number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 8820896 and 8820905.

It is not an unprimeable number, because it can be changed into a prime (8820907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191737 + ... + 191782.

It is an arithmetic number, because the mean of its divisors is an integer number (2301120).

Almost surely, 2^8820937 is an apocalyptic number.

It is an amenable number.

8820937 is a deficient number, since it is larger than the sum of its proper divisors (383543).

8820937 is a wasteful number, since it uses less digits than its factorization.

8820937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383542.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8820937 is about 2970.0062289497. The cubic root of 8820937 is about 206.6196271135.

Subtracting from 8820937 its sum of digits (37), we obtain a square (8820900 = 2970²).

It can be divided in two parts, 88 and 20937, that added together give a square (21025 = 145²).

The spelling of 8820937 in words is "eight million, eight hundred twenty thousand, nine hundred thirty-seven".