2249684 has 6 divisors (see below), whose sum is σ = 3936954. Its totient is φ = 1124840.

The previous prime is 2249633. The next prime is 2249693. The reversal of 2249684 is 4869422.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 29584 = 1490^2 + 172^2 .

It is a super-2 number, since 2×2249684² = 10122156199712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281207 + ... + 281214.

It is an arithmetic number, because the mean of its divisors is an integer number (656159).

2^2249684 is an apocalyptic number.

It is an amenable number.

2249684 is a deficient number, since it is larger than the sum of its proper divisors (1687270).

2249684 is a wasteful number, since it uses less digits than its factorization.

2249684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562425 (or 562423 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2249684 is about 1499.8946629680. The cubic root of 2249684 is about 131.0309349471.

The spelling of 2249684 in words is "two million, two hundred forty-nine thousand, six hundred eighty-four".