8920642 has 16 divisors (see below), whose sum is σ = 14230080. Its totient is φ = 4184752.

The previous prime is 8920609. The next prime is 8920649. The reversal of 8920642 is 2460298.

It is not an unprimeable number, because it can be changed into a prime (8920649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (889380).

Almost surely, 2^8920642 is an apocalyptic number.

8920642 is a deficient number, since it is larger than the sum of its proper divisors (5309438).

8920642 is a wasteful number, since it uses less digits than its factorization.

8920642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 8920642 is about 2986.7443814294. The cubic root of 8920642 is about 207.3952013501.

The spelling of 8920642 in words is "eight million, nine hundred twenty thousand, six hundred forty-two".