2142974 has 4 divisors (see below), whose sum is σ = 3214464. Its totient is φ = 1071486.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2142974 is 4792412.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535742 + ... + 535745.

It is an arithmetic number, because the mean of its divisors is an integer number (803616).

2^2142974 is an apocalyptic number.

2142974 is a deficient number, since it is larger than the sum of its proper divisors (1071490).

2142974 is a wasteful number, since it uses less digits than its factorization.

2142974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071489.

The product of its digits is 4032, while the sum is 29.

The square root of 2142974 is about 1463.8900231916. The cubic root of 2142974 is about 128.9255424336.

The spelling of 2142974 in words is "two million, one hundred forty-two thousand, nine hundred seventy-four".