2906201 has 4 divisors (see below), whose sum is σ = 3077172. Its totient is φ = 2735232.

The previous prime is 2906179. The next prime is 2906207. The reversal of 2906201 is 1026092.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 456976 = 1565^2 + 676^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2906201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2906207) 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, 85460 + ... + 85493.

It is an arithmetic number, because the mean of its divisors is an integer number (769293).

2^2906201 is an apocalyptic number.

It is an amenable number.

2906201 is a deficient number, since it is larger than the sum of its proper divisors (170971).

2906201 is a wasteful number, since it uses less digits than its factorization.

2906201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170970.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2906201 is about 1704.7583406454. The cubic root of 2906201 is about 142.7058848083.

The spelling of 2906201 in words is "two million, nine hundred six thousand, two hundred one".