7872946 has 16 divisors (see below), whose sum is σ = 12722688. Its totient is φ = 3643200.

The previous prime is 7872937. The next prime is 7872947. The reversal of 7872946 is 6492787.

It is not an unprimeable number, because it can be changed into a prime (7872947) 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, 1335 + ... + 4186.

It is an arithmetic number, because the mean of its divisors is an integer number (795168).

Almost surely, 2^7872946 is an apocalyptic number.

7872946 is a deficient number, since it is larger than the sum of its proper divisors (4849742).

7872946 is a wasteful number, since it uses less digits than its factorization.

7872946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577.

The product of its digits is 169344, while the sum is 43.

The square root of 7872946 is about 2805.8770464865. The cubic root of 7872946 is about 198.9355615712.

The spelling of 7872946 in words is "seven million, eight hundred seventy-two thousand, nine hundred forty-six".