7690489 has 2 divisors, whose sum is σ = 7690490. Its totient is φ = 7690488.

The previous prime is 7690483. The next prime is 7690519. The reversal of 7690489 is 9840967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7112889 + 577600 = 2667^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 7690489 - 2⁵ = 7690457 is a prime.

It is an Ulam number.

7690489 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7690483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3845244 + 3845245.

It is an arithmetic number, because the mean of its divisors is an integer number (3845245).

Almost surely, 2^7690489 is an apocalyptic number.

It is an amenable number.

7690489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7690489 is an equidigital number, since it uses as much as digits as its factorization.

7690489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 7690489 is about 2773.1730923258. The cubic root of 7690489 is about 197.3867448731.

The spelling of 7690489 in words is "seven million, six hundred ninety thousand, four hundred eighty-nine".