2549698 has 8 divisors (see below), whose sum is σ = 3837708. Its totient is φ = 1270464.

The previous prime is 2549683. The next prime is 2549699. The reversal of 2549698 is 8969452.

It can be written as a sum of positive squares in 2 ways, for example, as 1787569 + 762129 = 1337^2 + 873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549699) 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, 1411 + ... + 2662.

2^2549698 is an apocalyptic number.

2549698 is a deficient number, since it is larger than the sum of its proper divisors (1288010).

2549698 is a wasteful number, since it uses less digits than its factorization.

2549698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388.

The product of its digits is 155520, while the sum is 43.

The square root of 2549698 is about 1596.7773795993. Note that the first 3 decimals coincide. The cubic root of 2549698 is about 136.6143272381.

The spelling of 2549698 in words is "two million, five hundred forty-nine thousand, six hundred ninety-eight".