2249658 has 12 divisors (see below), whose sum is σ = 4874298. Its totient is φ = 749880.

The previous prime is 2249633. The next prime is 2249693. The reversal of 2249658 is 8569422.

It is a happy number.

2249658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 8649 = 1497^2 + 93^2 .

It is a super-2 number, since 2×2249658² = 10121922233928, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁶ + 2¹⁴ + 4 + 9² + 6⁷ + 5⁹ + 8² .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62473 + ... + 62508.

2^2249658 is an apocalyptic number.

2249658 is an abundant number, since it is smaller than the sum of its proper divisors (2624640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249658 is a wasteful number, since it uses less digits than its factorization.

2249658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124989 (or 124986 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2249658 is about 1499.8859956677. The cubic root of 2249658 is about 131.0304301625.

The spelling of 2249658 in words is "two million, two hundred forty-nine thousand, six hundred fifty-eight".