4639023 has 12 divisors (see below), whose sum is σ = 6882408. Its totient is φ = 3008880.

The previous prime is 4639003. The next prime is 4639049. The reversal of 4639023 is 3209364.

4639023 is a `hidden beast` number, since 4 + 639 + 0 + 23 = 666.

4639023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4639023 - 2⁹ = 4638511 is a prime.

It is a super-3 number, since 3×4639023³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639003) 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, 6633 + ... + 7298.

It is an arithmetic number, because the mean of its divisors is an integer number (573534).

Almost surely, 2^4639023 is an apocalyptic number.

4639023 is a deficient number, since it is larger than the sum of its proper divisors (2243385).

4639023 is a wasteful number, since it uses less digits than its factorization.

4639023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 4639023 is about 2153.8391304831. The cubic root of 4639023 is about 166.7793109615.

The spelling of 4639023 in words is "four million, six hundred thirty-nine thousand, twenty-three".