7940446 has 4 divisors (see below), whose sum is σ = 11910672. Its totient is φ = 3970222.

The previous prime is 7940437. The next prime is 7940447. The reversal of 7940446 is 6440497.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940447) 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, 1985110 + ... + 1985113.

It is an arithmetic number, because the mean of its divisors is an integer number (2977668).

Almost surely, 2^7940446 is an apocalyptic number.

7940446 is a deficient number, since it is larger than the sum of its proper divisors (3970226).

7940446 is a wasteful number, since it uses less digits than its factorization.

7940446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970225.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 7940446 is about 2817.8796993484. The cubic root of 7940446 is about 199.5024800625.

The spelling of 7940446 in words is "seven million, nine hundred forty thousand, four hundred forty-six".