2156701 has 8 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 2014320.

The previous prime is 2156699. The next prime is 2156711. The reversal of 2156701 is 1076512.

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

It is a cyclic number.

It is not a de Polignac number, because 2156701 - 2¹ = 2156699 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156711) 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, 301 + ... + 2098.

It is an arithmetic number, because the mean of its divisors is an integer number (288000).

2^2156701 is an apocalyptic number.

It is an amenable number.

2156701 is a deficient number, since it is larger than the sum of its proper divisors (147299).

2156701 is a wasteful number, since it uses less digits than its factorization.

2156701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2156701 is about 1468.5710742079. The cubic root of 2156701 is about 129.2002378689.

The spelling of 2156701 in words is "two million, one hundred fifty-six thousand, seven hundred one".