4909023 has 24 divisors (see below), whose sum is σ = 8231808. Its totient is φ = 2760912.

The previous prime is 4909013. The next prime is 4909027. The reversal of 4909023 is 3209094.

It is not a de Polignac number, because 4909023 - 2⁴ = 4909007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3640 + ... + 4802.

It is an arithmetic number, because the mean of its divisors is an integer number (342992).

Almost surely, 2^4909023 is an apocalyptic number.

4909023 is a deficient number, since it is larger than the sum of its proper divisors (3322785).

4909023 is a wasteful number, since it uses less digits than its factorization.

4909023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 4909023 is about 2215.6315126844. The cubic root of 4909023 is about 169.9541167983.

Multiplying 4909023 by its sum of digits (27), we get a triangular number (132543621 = T₁₆₂₈₁).

The spelling of 4909023 in words is "four million, nine hundred nine thousand, twenty-three".