8490342 has 32 divisors (see below), whose sum is σ = 20035584. Its totient is φ = 2347200.

The previous prime is 8490341. The next prime is 8490379. The reversal of 8490342 is 2430948.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959 + ... + 4562.

It is an arithmetic number, because the mean of its divisors is an integer number (626112).

Almost surely, 2^8490342 is an apocalyptic number.

8490342 is an abundant number, since it is smaller than the sum of its proper divisors (11545242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8490342 is a wasteful number, since it uses less digits than its factorization.

8490342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8490342 is about 2913.8191433238. The cubic root of 8490342 is about 204.0054304591.

The spelling of 8490342 in words is "eight million, four hundred ninety thousand, three hundred forty-two".