4940561 has 4 divisors (see below), whose sum is σ = 5155392. Its totient is φ = 4725732.

The previous prime is 4940539. The next prime is 4940587. The reversal of 4940561 is 1650494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1650494 = 2 ⋅825247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4940561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4940521) 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, 107381 + ... + 107426.

It is an arithmetic number, because the mean of its divisors is an integer number (1288848).

Almost surely, 2^4940561 is an apocalyptic number.

It is an amenable number.

4940561 is a deficient number, since it is larger than the sum of its proper divisors (214831).

4940561 is a wasteful number, since it uses less digits than its factorization.

4940561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214830.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4940561 is about 2222.7372764229. The cubic root of 4940561 is about 170.3172966862.

The spelling of 4940561 in words is "four million, nine hundred forty thousand, five hundred sixty-one".