7641983 has 2 divisors, whose sum is σ = 7641984. Its totient is φ = 7641982.

The previous prime is 7641979. The next prime is 7641989. The reversal of 7641983 is 3891467.

It is a weak prime.

It is an emirp because it is prime and its reverse (3891467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7641983 - 2² = 7641979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7641989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820991 + 3820992.

It is an arithmetic number, because the mean of its divisors is an integer number (3820992).

Almost surely, 2^7641983 is an apocalyptic number.

7641983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7641983 is an equidigital number, since it uses as much as digits as its factorization.

7641983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 7641983 is about 2764.4136810543. The cubic root of 7641983 is about 196.9708787380.

The spelling of 7641983 in words is "seven million, six hundred forty-one thousand, nine hundred eighty-three".