7952861 has 4 divisors (see below), whose sum is σ = 9088992. Its totient is φ = 6816732.

The previous prime is 7952843. The next prime is 7952869. The reversal of 7952861 is 1682597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1682597 = 7 ⋅240371.

It is a cyclic number.

It is not a de Polignac number, because 7952861 - 2⁶ = 7952797 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7952869) 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, 568055 + ... + 568068.

It is an arithmetic number, because the mean of its divisors is an integer number (2272248).

Almost surely, 2^7952861 is an apocalyptic number.

It is an amenable number.

7952861 is a deficient number, since it is larger than the sum of its proper divisors (1136131).

7952861 is a wasteful number, since it uses less digits than its factorization.

7952861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136130.

The product of its digits is 30240, while the sum is 38.

The square root of 7952861 is about 2820.0817364041. The cubic root of 7952861 is about 199.6064009069.

The spelling of 7952861 in words is "seven million, nine hundred fifty-two thousand, eight hundred sixty-one".