2484781 has 4 divisors (see below), whose sum is σ = 2675932. Its totient is φ = 2293632.

The previous prime is 2484751. The next prime is 2484803. The reversal of 2484781 is 1874842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1874842 = 2 ⋅937421.

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 1946025 = 734^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 2484781 - 2⁷ = 2484653 is a prime.

It is a super-2 number, since 2×2484781² = 12348273235922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2484721) 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, 95556 + ... + 95581.

It is an arithmetic number, because the mean of its divisors is an integer number (668983).

2^2484781 is an apocalyptic number.

It is an amenable number.

2484781 is a deficient number, since it is larger than the sum of its proper divisors (191151).

2484781 is a wasteful number, since it uses less digits than its factorization.

2484781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191150.

The product of its digits is 14336, while the sum is 34.

The square root of 2484781 is about 1576.3188129309. The cubic root of 2484781 is about 135.4449152692. Note that the first 3 decimals are identical.

The spelling of 2484781 in words is "two million, four hundred eighty-four thousand, seven hundred eighty-one".