7286861 has 4 divisors (see below), whose sum is σ = 7670400. Its totient is φ = 6903324.

The previous prime is 7286857. The next prime is 7286887. The reversal of 7286861 is 1686827.

7286861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 7286861 - 2² = 7286857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7286831) 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, 191741 + ... + 191778.

It is an arithmetic number, because the mean of its divisors is an integer number (1917600).

Almost surely, 2^7286861 is an apocalyptic number.

It is an amenable number.

7286861 is a deficient number, since it is larger than the sum of its proper divisors (383539).

7286861 is a wasteful number, since it uses less digits than its factorization.

7286861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383538.

The product of its digits is 32256, while the sum is 38.

The square root of 7286861 is about 2699.4186411152. The cubic root of 7286861 is about 193.8712877762.

The spelling of 7286861 in words is "seven million, two hundred eighty-six thousand, eight hundred sixty-one".