7951963 has 8 divisors (see below), whose sum is σ = 8151248. Its totient is φ = 7755264.

The previous prime is 7951949. The next prime is 7951967. The reversal of 7951963 is 3691597.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7951963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7951967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6520 + ... + 7642.

It is an arithmetic number, because the mean of its divisors is an integer number (1018906).

Almost surely, 2^7951963 is an apocalyptic number.

7951963 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7951963 is a deficient number, since it is larger than the sum of its proper divisors (199285).

7951963 is a wasteful number, since it uses less digits than its factorization.

7951963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 51030, while the sum is 40.

The square root of 7951963 is about 2819.9225166660. The cubic root of 7951963 is about 199.5988877493.

The spelling of 7951963 in words is "seven million, nine hundred fifty-one thousand, nine hundred sixty-three".