2249787 has 8 divisors (see below), whose sum is σ = 3041104. Its totient is φ = 1479168.

The previous prime is 2249783. The next prime is 2249813. The reversal of 2249787 is 7879422.

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

It is not a de Polignac number, because 2249787 - 2² = 2249783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4918 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (380138).

2^2249787 is an apocalyptic number.

2249787 is a deficient number, since it is larger than the sum of its proper divisors (791317).

2249787 is a wasteful number, since it uses less digits than its factorization.

2249787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10349.

The product of its digits is 56448, while the sum is 39.

The square root of 2249787 is about 1499.9289983196. The cubic root of 2249787 is about 131.0329346324.

It can be divided in two parts, 224 and 9787, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 2249787 in words is "two million, two hundred forty-nine thousand, seven hundred eighty-seven".