2119447 has 4 divisors (see below), whose sum is σ = 2312136. Its totient is φ = 1926760.

The previous prime is 2119433. The next prime is 2119463. The reversal of 2119447 is 7449112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2119447 - 2⁷ = 2119319 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 (2119487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96328 + ... + 96349.

It is an arithmetic number, because the mean of its divisors is an integer number (578034).

2^2119447 is an apocalyptic number.

2119447 is a deficient number, since it is larger than the sum of its proper divisors (192689).

2119447 is a wasteful number, since it uses less digits than its factorization.

2119447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192688.

The product of its digits is 2016, while the sum is 28.

The square root of 2119447 is about 1455.8320644910. The cubic root of 2119447 is about 128.4519949680.

The spelling of 2119447 in words is "two million, one hundred nineteen thousand, four hundred forty-seven".