4923661 has 4 divisors (see below), whose sum is σ = 4953312. Its totient is φ = 4894012.

The previous prime is 4923619. The next prime is 4923671. The reversal of 4923661 is 1663294.

4923661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 1663294 = 2 ⋅831647.

It is a cyclic number.

It is not a de Polignac number, because 4923661 - 2¹¹ = 4921613 is a prime.

It is a Duffinian number.

4923661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4923601) 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, 14575 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^4923661 is an apocalyptic number.

It is an amenable number.

4923661 is a deficient number, since it is larger than the sum of its proper divisors (29651).

4923661 is a wasteful number, since it uses less digits than its factorization.

4923661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29650.

The product of its digits is 7776, while the sum is 31.

The square root of 4923661 is about 2218.9324009532. The cubic root of 4923661 is about 170.1228754092.

The spelling of 4923661 in words is "four million, nine hundred twenty-three thousand, six hundred sixty-one".