4940861 has 4 divisors (see below), whose sum is σ = 4986300. Its totient is φ = 4895424.

The previous prime is 4940843. The next prime is 4940867. The reversal of 4940861 is 1680494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3171961 + 1768900 = 1781^2 + 1330^2 .

It is a cyclic number.

It is not a de Polignac number, because 4940861 - 2⁶ = 4940797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4940867) 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, 22556 + ... + 22773.

It is an arithmetic number, because the mean of its divisors is an integer number (1246575).

Almost surely, 2^4940861 is an apocalyptic number.

It is an amenable number.

4940861 is a deficient number, since it is larger than the sum of its proper divisors (45439).

4940861 is a wasteful number, since it uses less digits than its factorization.

4940861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45438.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 4940861 is about 2222.8047597574. The cubic root of 4940861 is about 170.3207439435.

The spelling of 4940861 in words is "four million, nine hundred forty thousand, eight hundred sixty-one".