2142790 has 32 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 773760.

The previous prime is 2142773. The next prime is 2142793. The reversal of 2142790 is 972412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6735 + ... + 7045.

It is an arithmetic number, because the mean of its divisors is an integer number (132678).

2^2142790 is an apocalyptic number.

2142790 is a deficient number, since it is larger than the sum of its proper divisors (2102906).

2142790 is a wasteful number, since it uses less digits than its factorization.

2142790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2142790 is about 1463.8271755914. The cubic root of 2142790 is about 128.9218523937.

The spelling of 2142790 in words is "two million, one hundred forty-two thousand, seven hundred ninety".