7684965 has 12 divisors (see below), whose sum is σ = 13320684. Its totient is φ = 4098624.

The previous prime is 7684951. The next prime is 7684979. The reversal of 7684965 is 5694867.

It is an interprime number because it is at equal distance from previous prime (7684951) and next prime (7684979).

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 5788836 = 1377^2 + 2406^2 .

It is not a de Polignac number, because 7684965 - 2⁷ = 7684837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 170777 = 7684965 / (7 + 6 + 8 + 4 + 9 + 6 + 5).

7684965 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7684965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85344 + ... + 85433.

It is an arithmetic number, because the mean of its divisors is an integer number (1110057).

Almost surely, 2^7684965 is an apocalyptic number.

It is an amenable number.

7684965 is a deficient number, since it is larger than the sum of its proper divisors (5635719).

7684965 is a wasteful number, since it uses less digits than its factorization.

7684965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170788 (or 170785 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 7684965 is about 2772.1769424047. The cubic root of 7684965 is about 197.3394732562.

It can be divided in two parts, 7684 and 965, that added together give a square (8649 = 93²).

The spelling of 7684965 in words is "seven million, six hundred eighty-four thousand, nine hundred sixty-five".