7801983 has 24 divisors (see below), whose sum is σ = 13104000. Its totient is φ = 4380624.

The previous prime is 7801979. The next prime is 7801993. The reversal of 7801983 is 3891087.

It is not a de Polignac number, because 7801983 - 2² = 7801979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7801903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2668 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (546000).

Almost surely, 2^7801983 is an apocalyptic number.

7801983 is a deficient number, since it is larger than the sum of its proper divisors (5302017).

7801983 is a wasteful number, since it uses less digits than its factorization.

7801983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2168 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 7801983 is about 2793.2030001416. The cubic root of 7801983 is about 198.3360531291.

The spelling of 7801983 in words is "seven million, eight hundred one thousand, nine hundred eighty-three".