8622490 has 8 divisors (see below), whose sum is σ = 15520500. Its totient is φ = 3448992.

The previous prime is 8622487. The next prime is 8622491. The reversal of 8622490 is 942268.

It can be written as a sum of positive squares in 2 ways, for example, as 7017201 + 1605289 = 2649^2 + 1267^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8622491) 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, 431115 + ... + 431134.

Almost surely, 2^8622490 is an apocalyptic number.

8622490 is a deficient number, since it is larger than the sum of its proper divisors (6898010).

8622490 is a wasteful number, since it uses less digits than its factorization.

8622490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862256.

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

The square root of 8622490 is about 2936.4076692449. The cubic root of 8622490 is about 205.0584009696.

The spelling of 8622490 in words is "eight million, six hundred twenty-two thousand, four hundred ninety".