2543464 has 32 divisors (see below), whose sum is σ = 5947200. Its totient is φ = 990720.

The previous prime is 2543461. The next prime is 2543479. The reversal of 2543464 is 4643452.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 4² + 3³ + 4⁴ + 6³ + 4⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543461) 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, 1449 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (185850).

2^2543464 is an apocalyptic number.

It is an amenable number.

2543464 is an abundant number, since it is smaller than the sum of its proper divisors (3403736).

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

2543464 is a wasteful number, since it uses less digits than its factorization.

2543464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153 (or 4149 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 2543464 is about 1594.8241282348. The cubic root of 2543464 is about 136.5028959030.

The spelling of 2543464 in words is "two million, five hundred forty-three thousand, four hundred sixty-four".