2906869 has 8 divisors (see below), whose sum is σ = 3354048. Its totient is φ = 2467680.

The previous prime is 2906863. The next prime is 2906879. The reversal of 2906869 is 9686092.

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 2906869 - 2³ = 2906861 is a prime.

It is a super-2 number, since 2×2906869² = 16899774766322, which contains 22 as substring.

It is a Duffinian number.

2906869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 2689.

It is an arithmetic number, because the mean of its divisors is an integer number (419256).

2^2906869 is an apocalyptic number.

It is an amenable number.

2906869 is a deficient number, since it is larger than the sum of its proper divisors (447179).

2906869 is a wasteful number, since it uses less digits than its factorization.

2906869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2906869 is about 1704.9542515857. The cubic root of 2906869 is about 142.7168177787.

The spelling of 2906869 in words is "two million, nine hundred six thousand, eight hundred sixty-nine".