2685947 has 4 divisors (see below), whose sum is σ = 2930136. Its totient is φ = 2441760.

The previous prime is 2685937. The next prime is 2685959. The reversal of 2685947 is 7495862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2685947 - 2⁶ = 2685883 is a prime.

It is a super-2 number, since 2×2685947² = 14428622573618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2685937) 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, 122078 + ... + 122099.

It is an arithmetic number, because the mean of its divisors is an integer number (732534).

2^2685947 is an apocalyptic number.

2685947 is a deficient number, since it is larger than the sum of its proper divisors (244189).

2685947 is a wasteful number, since it uses less digits than its factorization.

2685947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244188.

The product of its digits is 120960, while the sum is 41.

The square root of 2685947 is about 1638.8859020688. The cubic root of 2685947 is about 139.0056585520.

The spelling of 2685947 in words is "two million, six hundred eighty-five thousand, nine hundred forty-seven".