2141904 has 20 divisors (see below), whose sum is σ = 5533376. Its totient is φ = 713952.

The previous prime is 2141903. The next prime is 2141917. The reversal of 2141904 is 4091412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141903) 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, 22264 + ... + 22359.

2^2141904 is an apocalyptic number.

2141904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2141904 is an abundant number, since it is smaller than the sum of its proper divisors (3391472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141904 is a wasteful number, since it uses less digits than its factorization.

2141904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44634 (or 44628 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2141904 is about 1463.5245129481. The cubic root of 2141904 is about 128.9040810911.

The spelling of 2141904 in words is "two million, one hundred forty-one thousand, nine hundred four".