7960861 has 4 divisors (see below), whose sum is σ = 7969500. Its totient is φ = 7952224.

The previous prime is 7960853. The next prime is 7960903. The reversal of 7960861 is 1680697.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3204100 + 4756761 = 1790^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 7960861 - 2³ = 7960853 is a prime.

It is a super-2 number, since 2×7960861² = 126750615722642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7960861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7960801) 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, 2746 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (1992375).

Almost surely, 2^7960861 is an apocalyptic number.

It is an amenable number.

7960861 is a deficient number, since it is larger than the sum of its proper divisors (8639).

7960861 is a wasteful number, since it uses less digits than its factorization.

7960861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7960861 is about 2821.4997784866. The cubic root of 7960861 is about 199.6733083200.

The spelling of 7960861 in words is "seven million, nine hundred sixty thousand, eight hundred sixty-one".