8920442 has 8 divisors (see below), whose sum is σ = 13400532. Its totient is φ = 4453600.

The previous prime is 8920433. The next prime is 8920463. The reversal of 8920442 is 2440298.

It can be written as a sum of positive squares in 2 ways, for example, as 7623121 + 1297321 = 2761^2 + 1139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1409 + ... + 4452.

Almost surely, 2^8920442 is an apocalyptic number.

8920442 is a deficient number, since it is larger than the sum of its proper divisors (4480090).

8920442 is a wasteful number, since it uses less digits than its factorization.

8920442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6624.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8920442 is about 2986.7108999701. The cubic root of 8920442 is about 207.3936514111.

The spelling of 8920442 in words is "eight million, nine hundred twenty thousand, four hundred forty-two".