7938997 has 8 divisors (see below), whose sum is σ = 8696160. Its totient is φ = 7187760.

The previous prime is 7938991. The next prime is 7939021. The reversal of 7938997 is 7998397.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7938997 - 2¹¹ = 7936949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7938991) 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 in 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 4300.

It is an arithmetic number, because the mean of its divisors is an integer number (1087020).

Almost surely, 2^7938997 is an apocalyptic number.

It is an amenable number.

7938997 is a deficient number, since it is larger than the sum of its proper divisors (757163).

7938997 is a wasteful number, since it uses less digits than its factorization.

7938997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its digits is 857304, while the sum is 52.

The square root of 7938997 is about 2817.6225794098. The cubic root of 7938997 is about 199.4903440238.

The spelling of 7938997 in words is "seven million, nine hundred thirty-eight thousand, nine hundred ninety-seven".