7940306 has 16 divisors (see below), whose sum is σ = 13311648. Its totient is φ = 3520800.

The previous prime is 7940293. The next prime is 7940327. The reversal of 7940306 is 6030497.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (831978).

Almost surely, 2^7940306 is an apocalyptic number.

7940306 is a deficient number, since it is larger than the sum of its proper divisors (5371342).

7940306 is a wasteful number, since it uses less digits than its factorization.

7940306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8857.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 7940306 is about 2817.8548578662. The cubic root of 7940306 is about 199.5013075628.

The spelling of 7940306 in words is "seven million, nine hundred forty thousand, three hundred six".