8240990 has 8 divisors (see below), whose sum is σ = 14833800. Its totient is φ = 3296392.

The previous prime is 8240989. The next prime is 8241001. The reversal of 8240990 is 990428.

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

It is a Curzon number.

It is a congruent number.

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, 412040 + ... + 412059.

It is an arithmetic number, because the mean of its divisors is an integer number (1854225).

Almost surely, 2^8240990 is an apocalyptic number.

8240990 is a deficient number, since it is larger than the sum of its proper divisors (6592810).

8240990 is a wasteful number, since it uses less digits than its factorization.

8240990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824106.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8240990 is about 2870.7124551233. The cubic root of 8240990 is about 201.9884155040.

The spelling of 8240990 in words is "eight million, two hundred forty thousand, nine hundred ninety".