2146039 has 4 divisors (see below), whose sum is σ = 2452624. Its totient is φ = 1839456.

The previous prime is 2146009. The next prime is 2146043. The reversal of 2146039 is 9306412.

2146039 = 385² + 386² + ... + 398².

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

It is a cyclic number.

It is not a de Polignac number, because 2146039 - 2¹⁷ = 2014967 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 (2146009) 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, 153282 + ... + 153295.

It is an arithmetic number, because the mean of its divisors is an integer number (613156).

2^2146039 is an apocalyptic number.

2146039 is a deficient number, since it is larger than the sum of its proper divisors (306585).

2146039 is an equidigital number, since it uses as much as digits as its factorization.

2146039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306584.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2146039 is about 1464.9365173959. The cubic root of 2146039 is about 128.9869786348.

The spelling of 2146039 in words is "two million, one hundred forty-six thousand, thirty-nine".