1868957 has 6 divisors (see below), whose sum is σ = 1954302. Its totient is φ = 1787192.

The previous prime is 1868947. The next prime is 1868983. The reversal of 1868957 is 7598681.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1779556 + 89401 = 1334^2 + 299^2 .

It is not a de Polignac number, because 1868957 - 2⁸ = 1868701 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 (1868917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1238 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (325717).

2^1868957 is an apocalyptic number.

It is an amenable number.

1868957 is a deficient number, since it is larger than the sum of its proper divisors (85345).

1868957 is an equidigital number, since it uses as much as digits as its factorization.

1868957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579 (or 3556 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 1868957 is about 1367.0980213576. The cubic root of 1868957 is about 123.1779871912.

The spelling of 1868957 in words is "one million, eight hundred sixty-eight thousand, nine hundred fifty-seven".