2861269 has 8 divisors (see below), whose sum is σ = 3082752. Its totient is φ = 2647920.

The previous prime is 2861251. The next prime is 2861279. The reversal of 2861269 is 9621682.

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 2861269 - 2⁹ = 2860757 is a prime.

It is a super-2 number, since 2×2861269² = 16373720580722, 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 (2861239) 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, 1294 + ... + 2719.

It is an arithmetic number, because the mean of its divisors is an integer number (385344).

2^2861269 is an apocalyptic number.

It is an amenable number.

2861269 is a deficient number, since it is larger than the sum of its proper divisors (221483).

2861269 is a wasteful number, since it uses less digits than its factorization.

2861269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067.

The product of its digits is 10368, while the sum is 34.

The square root of 2861269 is about 1691.5285986350. The cubic root of 2861269 is about 141.9666158378.

The spelling of 2861269 in words is "two million, eight hundred sixty-one thousand, two hundred sixty-nine".