2055439 has 8 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 1935000.

The previous prime is 2055437. The next prime is 2055467. The reversal of 2055439 is 9345502.

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 2055439 - 2¹ = 2055437 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 (2055437) 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, 4554 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

2^2055439 is an apocalyptic number.

2055439 is a deficient number, since it is larger than the sum of its proper divisors (121841).

2055439 is a wasteful number, since it uses less digits than its factorization.

2055439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2055439 is about 1433.6802293399. The cubic root of 2055439 is about 127.1456571726.

The spelling of 2055439 in words is "two million, fifty-five thousand, four hundred thirty-nine".