7690397 has 12 divisors (see below), whose sum is σ = 9105180. Its totient is φ = 6452160.

The previous prime is 7690391. The next prime is 7690399. The reversal of 7690397 is 7930967.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 4553956 = 1771^2 + 2134^2 .

It is not a de Polignac number, because 7690397 - 2¹⁶ = 7624861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7690391) 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 11 ways as a sum of consecutive naturals, for example, 872 + ... + 4017.

It is an arithmetic number, because the mean of its divisors is an integer number (758765).

Almost surely, 2^7690397 is an apocalyptic number.

It is an amenable number.

7690397 is a deficient number, since it is larger than the sum of its proper divisors (1414783).

7690397 is a wasteful number, since it uses less digits than its factorization.

7690397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924 (or 4913 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 7690397 is about 2773.1565047793. The cubic root of 7690397 is about 197.3859577687.

The spelling of 7690397 in words is "seven million, six hundred ninety thousand, three hundred ninety-seven".