2427864 has 16 divisors (see below), whose sum is σ = 6069720. Its totient is φ = 809280.

The previous prime is 2427863. The next prime is 2427869. The reversal of 2427864 is 4687242.

It is a super-3 number, since 3×2427864³ = 42933304954951045632, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50557 + ... + 50604.

2^2427864 is an apocalyptic number.

2427864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2427864 is an abundant number, since it is smaller than the sum of its proper divisors (3641856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2427864 is a wasteful number, since it uses less digits than its factorization.

2427864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101170 (or 101166 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2427864 is about 1558.1604538686. The cubic root of 2427864 is about 134.4027387480.

It can be divided in two parts, 24278 and 64, that added together give a palindrome (24342).

The spelling of 2427864 in words is "two million, four hundred twenty-seven thousand, eight hundred sixty-four".