7940983 has 4 divisors (see below), whose sum is σ = 8214840. Its totient is φ = 7667128.

The previous prime is 7940981. The next prime is 7941007. The reversal of 7940983 is 3890497.

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

It is a cyclic number.

It is not a de Polignac number, because 7940983 - 2¹ = 7940981 is a prime.

It is a super-2 number, since 2×7940983² = 126118422012578, which contains 22 as substring.

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 a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7940981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136885 + ... + 136942.

It is an arithmetic number, because the mean of its divisors is an integer number (2053710).

Almost surely, 2^7940983 is an apocalyptic number.

7940983 is a deficient number, since it is larger than the sum of its proper divisors (273857).

7940983 is a wasteful number, since it uses less digits than its factorization.

7940983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273856.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 7940983 is about 2817.9749821459. The cubic root of 7940983 is about 199.5069773085.

The spelling of 7940983 in words is "seven million, nine hundred forty thousand, nine hundred eighty-three".