2190149 has 8 divisors (see below), whose sum is σ = 2483040. Its totient is φ = 1915056.

The previous prime is 2190143. The next prime is 2190157. The reversal of 2190149 is 9410912.

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

It is not a de Polignac number, because 2190149 - 2²⁰ = 1141573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190143) 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, 4187 + ... + 4680.

It is an arithmetic number, because the mean of its divisors is an integer number (310380).

2^2190149 is an apocalyptic number.

It is an amenable number.

2190149 is a deficient number, since it is larger than the sum of its proper divisors (292891).

2190149 is a wasteful number, since it uses less digits than its factorization.

2190149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2190149 is about 1479.9152002733. The cubic root of 2190149 is about 129.8647310923.

The spelling of 2190149 in words is "two million, one hundred ninety thousand, one hundred forty-nine".