2857001 has 8 divisors (see below), whose sum is σ = 3310464. Its totient is φ = 2414880.

The previous prime is 2856977. The next prime is 2857009. The reversal of 2857001 is 1007582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2857001 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 (2857009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (413808).

2^2857001 is an apocalyptic number.

It is an amenable number.

2857001 is a deficient number, since it is larger than the sum of its proper divisors (453463).

2857001 is an equidigital number, since it uses as much as digits as its factorization.

2857001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2857001 is about 1690.2665470274. The cubic root of 2857001 is about 141.8959927406.

The spelling of 2857001 in words is "two million, eight hundred fifty-seven thousand, one".