8253390 has 32 divisors (see below), whose sum is σ = 20007936. Its totient is φ = 2178720.

The previous prime is 8253383. The next prime is 8253397. The reversal of 8253390 is 933528.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8253383) and next prime (8253397).

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 Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253397) 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, 1755 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (625248).

Almost surely, 2^8253390 is an apocalyptic number.

8253390 is an abundant number, since it is smaller than the sum of its proper divisors (11754546).

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

8253390 is a wasteful number, since it uses less digits than its factorization.

8253390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 8253390 is about 2872.8713859134. The cubic root of 8253390 is about 202.0896736122.

The spelling of 8253390 in words is "eight million, two hundred fifty-three thousand, three hundred ninety".