8509372 has 6 divisors (see below), whose sum is σ = 14891408. Its totient is φ = 4254684.

The previous prime is 8509363. The next prime is 8509373. The reversal of 8509372 is 2739058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8509373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063668 + ... + 1063675.

Almost surely, 2^8509372 is an apocalyptic number.

It is an amenable number.

8509372 is a deficient number, since it is larger than the sum of its proper divisors (6382036).

8509372 is a wasteful number, since it uses less digits than its factorization.

8509372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127347 (or 2127345 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 8509372 is about 2917.0827893634. The cubic root of 8509372 is about 204.1577339606.

The spelling of 8509372 in words is "eight million, five hundred nine thousand, three hundred seventy-two".