8490355 has 4 divisors (see below), whose sum is σ = 10188432. Its totient is φ = 6792280.

The previous prime is 8490341. The next prime is 8490379. The reversal of 8490355 is 5530948.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8490355 - 2⁵ = 8490323 is a prime.

It is a super-2 number, since 2×8490355² = 144172256052050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8490355.

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, 849031 + ... + 849040.

It is an arithmetic number, because the mean of its divisors is an integer number (2547108).

Almost surely, 2^8490355 is an apocalyptic number.

8490355 is a deficient number, since it is larger than the sum of its proper divisors (1698077).

8490355 is a wasteful number, since it uses less digits than its factorization.

8490355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698076.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 8490355 is about 2913.8213740722. The cubic root of 8490355 is about 204.0055345801.

The spelling of 8490355 in words is "eight million, four hundred ninety thousand, three hundred fifty-five".