2189072 has 40 divisors (see below), whose sum is σ = 4499712. Its totient is φ = 1030400.

The previous prime is 2189063. The next prime is 2189081. The reversal of 2189072 is 2709812.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2189063) and next prime (2189081).

It is a super-4 number, since 4×2189072⁴ (a number of 26 digits) contains 4444 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30797 + ... + 30867.

2^2189072 is an apocalyptic number.

It is an amenable number.

2189072 is an abundant number, since it is smaller than the sum of its proper divisors (2310640).

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

2189072 is a wasteful number, since it uses less digits than its factorization.

2189072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2189072 is about 1479.5512833288. The cubic root of 2189072 is about 129.8434407223.

The spelling of 2189072 in words is "two million, one hundred eighty-nine thousand, seventy-two".