4940781 has 16 divisors (see below), whose sum is σ = 6841344. Its totient is φ = 3169584.

The previous prime is 4940753. The next prime is 4940797. The reversal of 4940781 is 1870494.

It is not a de Polignac number, because 4940781 - 2⁶ = 4940717 is a prime.

It is a super-2 number, since 2×4940781² = 48822633779922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4940711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9186 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (427584).

Almost surely, 2^4940781 is an apocalyptic number.

It is an amenable number.

4940781 is a deficient number, since it is larger than the sum of its proper divisors (1900563).

4940781 is a wasteful number, since it uses less digits than its factorization.

4940781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 4940781 is about 2222.7867644018. The cubic root of 4940781 is about 170.3198246885.

The spelling of 4940781 in words is "four million, nine hundred forty thousand, seven hundred eighty-one".