8685396 has 18 divisors (see below), whose sum is σ = 21954842. Its totient is φ = 2895120.

The previous prime is 8685379. The next prime is 8685407. The reversal of 8685396 is 6935868.

It can be written as a sum of positive squares in only one way, i.e., 5225796 + 3459600 = 2286^2 + 1860^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×8685396² = 150872207353632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120595 + ... + 120666.

Almost surely, 2^8685396 is an apocalyptic number.

It is an amenable number.

8685396 is an abundant number, since it is smaller than the sum of its proper divisors (13269446).

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

8685396 is a wasteful number, since it uses less digits than its factorization.

8685396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241271 (or 241266 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 8685396 is about 2947.0995911234. The cubic root of 8685396 is about 205.5558659628. Note that the first 3 decimals are identical.

The spelling of 8685396 in words is "eight million, six hundred eighty-five thousand, three hundred ninety-six".