2269987 has 8 divisors (see below), whose sum is σ = 2454800. Its totient is φ = 2091744.

The previous prime is 2269973. The next prime is 2269991. The reversal of 2269987 is 7899622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2269987 - 2¹⁵ = 2237219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2269087) 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, 912 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (306850).

2^2269987 is an apocalyptic number.

2269987 is a deficient number, since it is larger than the sum of its proper divisors (184813).

2269987 is a wasteful number, since it uses less digits than its factorization.

2269987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its digits is 108864, while the sum is 43.

The square root of 2269987 is about 1506.6476031242. The cubic root of 2269987 is about 131.4239320646.

The spelling of 2269987 in words is "two million, two hundred sixty-nine thousand, nine hundred eighty-seven".