2987269 has 4 divisors (see below), whose sum is σ = 3068044. Its totient is φ = 2906496.

The previous prime is 2987251. The next prime is 2987279. The reversal of 2987269 is 9627892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2873025 + 114244 = 1695^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2987269 - 2⁷ = 2987141 is a prime.

It is a super-2 number, since 2×2987269² = 17847552156722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40332 + ... + 40405.

It is an arithmetic number, because the mean of its divisors is an integer number (767011).

2^2987269 is an apocalyptic number.

It is an amenable number.

2987269 is a deficient number, since it is larger than the sum of its proper divisors (80775).

2987269 is an equidigital number, since it uses as much as digits as its factorization.

2987269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80774.

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

The square root of 2987269 is about 1728.3717771359. The cubic root of 2987269 is about 144.0206535448.

The spelling of 2987269 in words is "two million, nine hundred eighty-seven thousand, two hundred sixty-nine".