2027864 has 32 divisors (see below), whose sum is σ = 4043520. Its totient is φ = 951456.

The previous prime is 2027843. The next prime is 2027869. The reversal of 2027864 is 4687202.

It is a super-2 number, since 2×2027864² = 8224464804992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027869) 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, 18899 + ... + 19005.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2^2027864 is an apocalyptic number.

It is an amenable number.

2027864 is a deficient number, since it is larger than the sum of its proper divisors (2015656).

2027864 is a wasteful number, since it uses less digits than its factorization.

2027864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2027864 is about 1424.0308985412. The cubic root of 2027864 is about 126.5745159247.

The spelling of 2027864 in words is "two million, twenty-seven thousand, eight hundred sixty-four".