7926965 has 4 divisors (see below), whose sum is σ = 9512364. Its totient is φ = 6341568.

The previous prime is 7926953. The next prime is 7926967. The reversal of 7926965 is 5696297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5696297 = 1669 ⋅3413.

It can be written as a sum of positive squares in 2 ways, for example, as 5424241 + 2502724 = 2329^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 7926965 - 2¹⁸ = 7664821 is a prime.

It is a super-2 number, since 2×7926965² = 125673548222450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7926967) 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, 792692 + ... + 792701.

It is an arithmetic number, because the mean of its divisors is an integer number (2378091).

Almost surely, 2^7926965 is an apocalyptic number.

It is an amenable number.

7926965 is a deficient number, since it is larger than the sum of its proper divisors (1585399).

7926965 is a wasteful number, since it uses less digits than its factorization.

7926965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585398.

The product of its digits is 204120, while the sum is 44.

The square root of 7926965 is about 2815.4866364449. The cubic root of 7926965 is about 199.3895134268.

The spelling of 7926965 in words is "seven million, nine hundred twenty-six thousand, nine hundred sixty-five".