2738863 has 8 divisors (see below), whose sum is σ = 2877408. Its totient is φ = 2601984.

The previous prime is 2738861. The next prime is 2738899. The reversal of 2738863 is 3688372.

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 2738863 - 2¹ = 2738861 is a prime.

It is a d-powerful number, because it can be written as 2²⁰ + 7² + 3⁵ + 8⁴ + 8⁴ + 6⁸ + 3⁷ .

It is a Duffinian 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 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, 4131 + ... + 4747.

It is an arithmetic number, because the mean of its divisors is an integer number (359676).

2^2738863 is an apocalyptic number.

2738863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2738863 is a deficient number, since it is larger than the sum of its proper divisors (138545).

2738863 is a wasteful number, since it uses less digits than its factorization.

2738863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its digits is 48384, while the sum is 37.

The square root of 2738863 is about 1654.9510566781. The cubic root of 2738863 is about 139.9125814801.

The spelling of 2738863 in words is "two million, seven hundred thirty-eight thousand, eight hundred sixty-three".