2549389 has 8 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 2421936.

The previous prime is 2549387. The next prime is 2549423. The reversal of 2549389 is 9839452.

It is a happy number.

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 2549389 - 2¹ = 2549387 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 (2549381) 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, 4299 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

2^2549389 is an apocalyptic number.

It is an amenable number.

2549389 is a deficient number, since it is larger than the sum of its proper divisors (129011).

2549389 is a wasteful number, since it uses less digits than its factorization.

2549389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 77760, while the sum is 40.

The square root of 2549389 is about 1596.6806192849. The cubic root of 2549389 is about 136.6088082142.

The spelling of 2549389 in words is "two million, five hundred forty-nine thousand, three hundred eighty-nine".