2147873 has 8 divisors (see below), whose sum is σ = 2643648. Its totient is φ = 1699344.

The previous prime is 2147869. The next prime is 2147881. The reversal of 2147873 is 3787412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2147873 - 2² = 2147869 is a prime.

It is a super-2 number, since 2×2147873² = 9226716848258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11711 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (330456).

2^2147873 is an apocalyptic number.

It is an amenable number.

2147873 is a deficient number, since it is larger than the sum of its proper divisors (495775).

2147873 is a wasteful number, since it uses less digits than its factorization.

2147873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23623.

The product of its digits is 9408, while the sum is 32.

The square root of 2147873 is about 1465.5623494072. The cubic root of 2147873 is about 129.0237121645.

The spelling of 2147873 in words is "two million, one hundred forty-seven thousand, eight hundred seventy-three".