7982156 has 24 divisors (see below), whose sum is σ = 17193120. Its totient is φ = 3157632.

The previous prime is 7982153. The next prime is 7982201. The reversal of 7982156 is 6512897.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7982153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10601 + ... + 11328.

It is an arithmetic number, because the mean of its divisors is an integer number (716380).

Almost surely, 2^7982156 is an apocalyptic number.

It is an amenable number.

7982156 is an abundant number, since it is smaller than the sum of its proper divisors (9210964).

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

7982156 is a wasteful number, since it uses less digits than its factorization.

7982156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21953 (or 21951 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 7982156 is about 2825.2709604567. The cubic root of 7982156 is about 199.8511893043.

The spelling of 7982156 in words is "seven million, nine hundred eighty-two thousand, one hundred fifty-six".