2190069 has 12 divisors (see below), whose sum is σ = 3615456. Its totient is φ = 1251432.

The previous prime is 2190047. The next prime is 2190077. The reversal of 2190069 is 9600912.

It is a happy number.

It is not a de Polignac number, because 2190069 - 2⁸ = 2189813 is a prime.

It is a super-2 number, since 2×2190069² = 9592804449522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17319 + ... + 17444.

It is an arithmetic number, because the mean of its divisors is an integer number (301288).

2^2190069 is an apocalyptic number.

It is an amenable number.

2190069 is a deficient number, since it is larger than the sum of its proper divisors (1425387).

2190069 is a wasteful number, since it uses less digits than its factorization.

2190069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34776 (or 34773 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2190069 is about 1479.8881714508. Note that the first 3 decimals coincide. The cubic root of 2190069 is about 129.8631498749.

The spelling of 2190069 in words is "two million, one hundred ninety thousand, sixty-nine".