2142693 has 20 divisors (see below), whose sum is σ = 3659040. Its totient is φ = 1224072.

The previous prime is 2142691. The next prime is 2142713. The reversal of 2142693 is 3962412.

It is not a de Polignac number, because 2142693 - 2¹ = 2142691 is a prime.

It is a super-2 number, since 2×2142693² = 9182266584498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142691) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1323 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (182952).

2^2142693 is an apocalyptic number.

It is an amenable number.

2142693 is a deficient number, since it is larger than the sum of its proper divisors (1516347).

2142693 is an equidigital number, since it uses as much as digits as its factorization.

2142693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798 (or 3789 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2142693 is about 1463.7940428899. The cubic root of 2142693 is about 128.9199070159.

The spelling of 2142693 in words is "two million, one hundred forty-two thousand, six hundred ninety-three".