8257396 has 24 divisors (see below), whose sum is σ = 16728320. Its totient is φ = 3493152.

The previous prime is 8257367. The next prime is 8257409. The reversal of 8257396 is 6937528.

It is a d-powerful number, because it can be written as 8 + 2 + 5⁹ + 7⁸ + 3⁵ + 9⁶ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346 + ... + 4078.

Almost surely, 2^8257396 is an apocalyptic number.

It is an amenable number.

8257396 is an abundant number, since it is smaller than the sum of its proper divisors (8470924).

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

8257396 is a wasteful number, since it uses less digits than its factorization.

8257396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3821 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 8257396 is about 2873.5685131905. The cubic root of 8257396 is about 202.1223648371.

The spelling of 8257396 in words is "eight million, two hundred fifty-seven thousand, three hundred ninety-six".