8390266 has 8 divisors (see below), whose sum is σ = 12602304. Its totient is φ = 4189500.

The previous prime is 8390257. The next prime is 8390273. The reversal of 8390266 is 6620938.

It is a happy number.

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

It is an Ulam 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, 610 + ... + 4141.

It is an arithmetic number, because the mean of its divisors is an integer number (1575288).

Almost surely, 2^8390266 is an apocalyptic number.

8390266 is a deficient number, since it is larger than the sum of its proper divisors (4212038).

8390266 is a wasteful number, since it uses less digits than its factorization.

8390266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 8390266 is about 2896.5955879273. The cubic root of 8390266 is about 203.2007203614.

The spelling of 8390266 in words is "eight million, three hundred ninety thousand, two hundred sixty-six".