2869944 has 64 divisors (see below), whose sum is σ = 8951040. Its totient is φ = 744960.

The previous prime is 2869943. The next prime is 2869967. The reversal of 2869944 is 4499682.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2869896 and 2869905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2^2869944 is an apocalyptic number.

2869944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2869944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4475520).

2869944 is an abundant number, since it is smaller than the sum of its proper divisors (6081096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2869944 is a wasteful number, since it uses less digits than its factorization.

2869944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1576 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 2869944 is about 1694.0909066517. The cubic root of 2869944 is about 142.1099459290.

The spelling of 2869944 in words is "two million, eight hundred sixty-nine thousand, nine hundred forty-four".