2902869 has 12 divisors (see below), whose sum is σ = 4439916. Its totient is φ = 1821312.

The previous prime is 2902831. The next prime is 2902873. The reversal of 2902869 is 9682092.

2902869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1664100 + 1238769 = 1290^2 + 1113^2 .

It is not a de Polignac number, because 2902869 - 2⁹ = 2902357 is a prime.

It is a super-2 number, since 2×2902869² = 16853296862322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2902819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9334 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (369993).

2^2902869 is an apocalyptic number.

It is an amenable number.

2902869 is a deficient number, since it is larger than the sum of its proper divisors (1537047).

2902869 is a wasteful number, since it uses less digits than its factorization.

2902869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18996 (or 18993 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2902869 is about 1703.7807957598. The cubic root of 2902869 is about 142.6513258560.

The spelling of 2902869 in words is "two million, nine hundred two thousand, eight hundred sixty-nine".