7986953 has 8 divisors (see below), whose sum is σ = 8679048. Its totient is φ = 7305984.

The previous prime is 7986947. The next prime is 7986959. The reversal of 7986953 is 3596897.

It is an interprime number because it is at equal distance from previous prime (7986947) and next prime (7986959).

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 7912969 = 272^2 + 2813^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7986953 - 2⁸ = 7986697 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 9⁴ + 8⁷ + 6³ + 9⁵ + 5³ + 3¹⁰ .

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7986898 and 7986907.

It is not an unprimeable number, because it can be changed into a prime (7986959) 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, 1250 + ... + 4187.

It is an arithmetic number, because the mean of its divisors is an integer number (1084881).

Almost surely, 2^7986953 is an apocalyptic number.

It is an amenable number.

7986953 is a deficient number, since it is larger than the sum of its proper divisors (692095).

7986953 is a wasteful number, since it uses less digits than its factorization.

7986953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563.

The product of its digits is 408240, while the sum is 47.

The square root of 7986953 is about 2826.1197780703. The cubic root of 7986953 is about 199.8912158408.

The spelling of 7986953 in words is "seven million, nine hundred eighty-six thousand, nine hundred fifty-three".