940857 has 4 divisors (see below), whose sum is σ = 1254480. Its totient is φ = 627236.

The previous prime is 940853. The next prime is 940871. The reversal of 940857 is 758049.

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 940857 - 2² = 940853 is a prime.

It is a D-number.

940857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (940853) 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, 156807 + ... + 156812.

It is an arithmetic number, because the mean of its divisors is an integer number (313620).

2⁹⁴⁰⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

940857 is a deficient number, since it is larger than the sum of its proper divisors (313623).

940857 is a wasteful number, since it uses less digits than its factorization.

940857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313622.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 940857 is about 969.9778347983. The cubic root of 940857 is about 97.9883715204.

The spelling of 940857 in words is "nine hundred forty thousand, eight hundred fifty-seven".