2187934 has 32 divisors (see below), whose sum is σ = 4121280. Its totient is φ = 849408.

The previous prime is 2187929. The next prime is 2187943. The reversal of 2187934 is 4397812.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 2187934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 7060.

It is an arithmetic number, because the mean of its divisors is an integer number (128790).

2^2187934 is an apocalyptic number.

2187934 is a deficient number, since it is larger than the sum of its proper divisors (1933346).

2187934 is a wasteful number, since it uses less digits than its factorization.

2187934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372.

The product of its digits is 12096, while the sum is 34.

The square root of 2187934 is about 1479.1666572770. The cubic root of 2187934 is about 129.8209369022.

The spelling of 2187934 in words is "two million, one hundred eighty-seven thousand, nine hundred thirty-four".