2249898 has 16 divisors (see below), whose sum is σ = 5142720. Its totient is φ = 642816.

The previous prime is 2249867. The next prime is 2249911. The reversal of 2249898 is 8989422.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 53569 = 2249898 / (2 + 2 + 4 + 9 + 8 + 9 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26743 + ... + 26826.

It is an arithmetic number, because the mean of its divisors is an integer number (321420).

2^2249898 is an apocalyptic number.

2249898 is an abundant number, since it is smaller than the sum of its proper divisors (2892822).

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

2249898 is a wasteful number, since it uses less digits than its factorization.

2249898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53581.

The product of its digits is 82944, while the sum is 42.

The square root of 2249898 is about 1499.9659996147. The cubic root of 2249898 is about 131.0350895648.

The spelling of 2249898 in words is "two million, two hundred forty-nine thousand, eight hundred ninety-eight".