8240304 has 20 divisors (see below), whose sum is σ = 21287576. Its totient is φ = 2746752.

The previous prime is 8240273. The next prime is 8240329. The reversal of 8240304 is 4030428.

It is a happy number.

It is a super-2 number, since 2×8240304² = 135805220024832, which contains 22 as substring.

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, 85789 + ... + 85884.

Almost surely, 2^8240304 is an apocalyptic number.

It is an amenable number.

8240304 is an abundant number, since it is smaller than the sum of its proper divisors (13047272).

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

8240304 is a wasteful number, since it uses less digits than its factorization.

8240304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171684 (or 171678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8240304 is about 2870.5929701022. The cubic root of 8240304 is about 201.9828106799.

The spelling of 8240304 in words is "eight million, two hundred forty thousand, three hundred four".