2738869 has 8 divisors (see below), whose sum is σ = 3295040. Its totient is φ = 2223936.

The previous prime is 2738861. The next prime is 2738899. The reversal of 2738869 is 9688372.

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 2738869 - 2³ = 2738861 is a prime.

It is a super-2 number, since 2×2738869² = 15002806798322, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²⁰ + 7⁴ + 3 + 8⁴ + 8⁴ + 6⁸ + 9² .

2738869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738861) 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, 10164 + ... + 10429.

It is an arithmetic number, because the mean of its divisors is an integer number (411880).

2^2738869 is an apocalyptic number.

It is an amenable number.

2738869 is a deficient number, since it is larger than the sum of its proper divisors (556171).

2738869 is a wasteful number, since it uses less digits than its factorization.

2738869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20619.

The product of its digits is 145152, while the sum is 43.

The square root of 2738869 is about 1654.9528694195. The cubic root of 2738869 is about 139.9126836484.

The spelling of 2738869 in words is "two million, seven hundred thirty-eight thousand, eight hundred sixty-nine".