2142764 has 24 divisors (see below), whose sum is σ = 4092480. Its totient is φ = 975744.

The previous prime is 2142761. The next prime is 2142773. The reversal of 2142764 is 4672412.

It is a super-3 number, since 3×2142764³ = 29515101333493319232, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (2142761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (170520).

2^2142764 is an apocalyptic number.

It is an amenable number.

2142764 is a deficient number, since it is larger than the sum of its proper divisors (1949716).

2142764 is a wasteful number, since it uses less digits than its factorization.

2142764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 2142764 is about 1463.8182947347. The cubic root of 2142764 is about 128.9213309580.

The spelling of 2142764 in words is "two million, one hundred forty-two thousand, seven hundred sixty-four".