8390244 has 12 divisors (see below), whose sum is σ = 19577264. Its totient is φ = 2796744.

The previous prime is 8390233. The next prime is 8390257. The reversal of 8390244 is 4420938.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 8³ + 3³ + 9 + 0 + 2²³ + 4³ + 4⁵ .

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, 349582 + ... + 349605.

Almost surely, 2^8390244 is an apocalyptic number.

It is an amenable number.

8390244 is an abundant number, since it is smaller than the sum of its proper divisors (11187020).

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

8390244 is a wasteful number, since it uses less digits than its factorization.

8390244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699194 (or 699192 counting only the distinct ones).

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

The square root of 8390244 is about 2896.5917903633. The cubic root of 8390244 is about 203.2005427580.

The spelling of 8390244 in words is "eight million, three hundred ninety thousand, two hundred forty-four".