2146901 has 4 divisors (see below), whose sum is σ = 2169132. Its totient is φ = 2124672.

The previous prime is 2146897. The next prime is 2146909. The reversal of 2146901 is 1096412.

It is a happy number.

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 1002001 + 1144900 = 1001^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146901 - 2² = 2146897 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 (2146909) 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, 10970 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (542283).

2^2146901 is an apocalyptic number.

It is an amenable number.

2146901 is a deficient number, since it is larger than the sum of its proper divisors (22231).

2146901 is an equidigital number, since it uses as much as digits as its factorization.

2146901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22230.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2146901 is about 1465.2306985591. The cubic root of 2146901 is about 129.0042463999.

The spelling of 2146901 in words is "two million, one hundred forty-six thousand, nine hundred one".