8620442 has 8 divisors (see below), whose sum is σ = 12943476. Its totient is φ = 4305952.

The previous prime is 8620429. The next prime is 8620499. The reversal of 8620442 is 2440268.

It can be written as a sum of positive squares in 2 ways, for example, as 6713281 + 1907161 = 2591^2 + 1381^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958 + ... + 4590.

Almost surely, 2^8620442 is an apocalyptic number.

8620442 is a deficient number, since it is larger than the sum of its proper divisors (4323034).

8620442 is a wasteful number, since it uses less digits than its factorization.

8620442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 8620442 is about 2936.0589231145. The cubic root of 8620442 is about 205.0421646365.

The spelling of 8620442 in words is "eight million, six hundred twenty thousand, four hundred forty-two".