2089944 has 24 divisors (see below), whose sum is σ = 5660460. Its totient is φ = 696624.

The previous prime is 2089939. The next prime is 2089951. The reversal of 2089944 is 4499802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2089899 and 2089908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14442 + ... + 14585.

2^2089944 is an apocalyptic number.

2089944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2089944 is an abundant number, since it is smaller than the sum of its proper divisors (3570516).

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

2089944 is a wasteful number, since it uses less digits than its factorization.

2089944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29039 (or 29032 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2089944 is about 1445.6638613454. The cubic root of 2089944 is about 127.8531845322.

The spelling of 2089944 in words is "two million, eighty-nine thousand, nine hundred forty-four".