2089445 has 8 divisors (see below), whose sum is σ = 2515320. Its totient is φ = 1666240.

The previous prime is 2089441. The next prime is 2089447. The reversal of 2089445 is 5449802.

It can be written as a sum of positive squares in 4 ways, for example, as 277729 + 1811716 = 527^2 + 1346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2089445 - 2² = 2089441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089441) 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, 2135 + ... + 2955.

It is an arithmetic number, because the mean of its divisors is an integer number (314415).

2^2089445 is an apocalyptic number.

It is an amenable number.

2089445 is a deficient number, since it is larger than the sum of its proper divisors (425875).

2089445 is an equidigital number, since it uses as much as digits as its factorization.

2089445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2089445 is about 1445.4912659715. The cubic root of 2089445 is about 127.8430082121.

The spelling of 2089445 in words is "two million, eighty-nine thousand, four hundred forty-five".