7936906 has 4 divisors (see below), whose sum is σ = 11905362. Its totient is φ = 3968452.

The previous prime is 7936891. The next prime is 7936913. The reversal of 7936906 is 6096397.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 2531281 = 2325^2 + 1591^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984225 + ... + 1984228.

Almost surely, 2^7936906 is an apocalyptic number.

7936906 is a deficient number, since it is larger than the sum of its proper divisors (3968456).

7936906 is a wasteful number, since it uses less digits than its factorization.

7936906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968455.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 7936906 is about 2817.2514974705. The cubic root of 7936906 is about 199.4728283377.

The spelling of 7936906 in words is "seven million, nine hundred thirty-six thousand, nine hundred six".