2493189 has 6 divisors (see below), whose sum is σ = 3601286. Its totient is φ = 1662120.

The previous prime is 2493187. The next prime is 2493193. The reversal of 2493189 is 9813942.

It can be written as a sum of positive squares in only one way, i.e., 1542564 + 950625 = 1242^2 + 975^2 .

It is not a de Polignac number, because 2493189 - 2¹ = 2493187 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 (2493187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138502 + ... + 138519.

2^2493189 is an apocalyptic number.

It is an amenable number.

2493189 is a deficient number, since it is larger than the sum of its proper divisors (1108097).

2493189 is a wasteful number, since it uses less digits than its factorization.

2493189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277027 (or 277024 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2493189 is about 1578.9835337963. The cubic root of 2493189 is about 135.5975160743.

The spelling of 2493189 in words is "two million, four hundred ninety-three thousand, one hundred eighty-nine".