2141747 has 4 divisors (see below), whose sum is σ = 2171160. Its totient is φ = 2112336.

The previous prime is 2141731. The next prime is 2141749. The reversal of 2141747 is 7471412.

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

It is a cyclic number.

It is not a de Polignac number, because 2141747 - 2⁴ = 2141731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141749) 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, 14597 + ... + 14742.

It is an arithmetic number, because the mean of its divisors is an integer number (542790).

2^2141747 is an apocalyptic number.

2141747 is a deficient number, since it is larger than the sum of its proper divisors (29413).

2141747 is an equidigital number, since it uses as much as digits as its factorization.

2141747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29412.

The product of its digits is 1568, while the sum is 26.

The square root of 2141747 is about 1463.4708743258. The cubic root of 2141747 is about 128.9009314892.

The spelling of 2141747 in words is "two million, one hundred forty-one thousand, seven hundred forty-seven".