7690939 has 4 divisors (see below), whose sum is σ = 7854624. Its totient is φ = 7527256.

The previous prime is 7690927. The next prime is 7690951. The reversal of 7690939 is 9390967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9390967 = 79 ⋅118873.

It is an interprime number because it is at equal distance from previous prime (7690927) and next prime (7690951).

It is a cyclic number.

It is not a de Polignac number, because 7690939 - 2²¹ = 5593787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7690895 and 7690904.

It is not an unprimeable number, because it can be changed into a prime (7690439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81772 + ... + 81865.

It is an arithmetic number, because the mean of its divisors is an integer number (1963656).

Almost surely, 2^7690939 is an apocalyptic number.

7690939 is a deficient number, since it is larger than the sum of its proper divisors (163685).

7690939 is a wasteful number, since it uses less digits than its factorization.

7690939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163684.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 7690939 is about 2773.2542256346. The cubic root of 7690939 is about 197.3905947498.

The spelling of 7690939 in words is "seven million, six hundred ninety thousand, nine hundred thirty-nine".