7961965 has 8 divisors (see below), whose sum is σ = 10423008. Its totient is φ = 5790480.

The previous prime is 7961959. The next prime is 7961981. The reversal of 7961965 is 5691697.

7961965 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7961965 - 2³ = 7961957 is a prime.

It is a super-2 number, since 2×7961965² = 126785773322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72327 + ... + 72436.

It is an arithmetic number, because the mean of its divisors is an integer number (1302876).

Almost surely, 2^7961965 is an apocalyptic number.

It is an amenable number.

7961965 is a deficient number, since it is larger than the sum of its proper divisors (2461043).

7961965 is a wasteful number, since it uses less digits than its factorization.

7961965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144779.

The product of its digits is 102060, while the sum is 43.

The square root of 7961965 is about 2821.6954123363. The cubic root of 7961965 is about 199.6825380228.

The spelling of 7961965 in words is "seven million, nine hundred sixty-one thousand, nine hundred sixty-five".