2061439 has 8 divisors (see below), whose sum is σ = 2132928. Its totient is φ = 1991040.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061439 is 9341602.

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 2061439 - 2³ = 2061431 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 (2061431) 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, 5434 + ... + 5800.

It is an arithmetic number, because the mean of its divisors is an integer number (266616).

2^2061439 is an apocalyptic number.

2061439 is a deficient number, since it is larger than the sum of its proper divisors (71489).

2061439 is a wasteful number, since it uses less digits than its factorization.

2061439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

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

The square root of 2061439 is about 1435.7712213302. The cubic root of 2061439 is about 127.2692532911.

It can be divided in two parts, 2061 and 439, that added together give a square (2500 = 50²).

The spelling of 2061439 in words is "two million, sixty-one thousand, four hundred thirty-nine".