4621923 has 12 divisors (see below), whose sum is σ = 6720688. Its totient is φ = 3060720.

The previous prime is 4621913. The next prime is 4621931. The reversal of 4621923 is 3291264.

It is not a de Polignac number, because 4621923 - 2⁵ = 4621891 is a prime.

It is an Ulam number.

It is a Duffinian number.

4621923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4621913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223 + ... + 3048.

Almost surely, 2^4621923 is an apocalyptic number.

4621923 is a deficient number, since it is larger than the sum of its proper divisors (2098765).

4621923 is a wasteful number, since it uses less digits than its factorization.

4621923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434 (or 3431 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 4621923 is about 2149.8658097658. The cubic root of 4621923 is about 166.5741357488.

The spelling of 4621923 in words is "four million, six hundred twenty-one thousand, nine hundred twenty-three".