8520436 has 12 divisors (see below), whose sum is σ = 15695680. Its totient is φ = 4035960.

The previous prime is 8520433. The next prime is 8520437. The reversal of 8520436 is 6340258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55980 + ... + 56131.

Almost surely, 2^8520436 is an apocalyptic number.

It is an amenable number.

8520436 is a deficient number, since it is larger than the sum of its proper divisors (7175244).

8520436 is a wasteful number, since it uses less digits than its factorization.

8520436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112134 (or 112132 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8520436 is about 2918.9785884792. The cubic root of 8520436 is about 204.2461785172.

The spelling of 8520436 in words is "eight million, five hundred twenty thousand, four hundred thirty-six".