4649823 has 12 divisors (see below), whose sum is σ = 7111728. Its totient is φ = 2917440.

The previous prime is 4649819. The next prime is 4649863. The reversal of 4649823 is 3289464.

It is a happy number.

4649823 is a `hidden beast` number, since 4 + 649 + 8 + 2 + 3 = 666.

It is not a de Polignac number, because 4649823 - 2² = 4649819 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649803) 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, 15043 + ... + 15348.

It is an arithmetic number, because the mean of its divisors is an integer number (592644).

Almost surely, 2^4649823 is an apocalyptic number.

4649823 is a deficient number, since it is larger than the sum of its proper divisors (2461905).

4649823 is a wasteful number, since it uses less digits than its factorization.

4649823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30414 (or 30411 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4649823 is about 2156.3448240019. The cubic root of 4649823 is about 166.9086356472.

The spelling of 4649823 in words is "four million, six hundred forty-nine thousand, eight hundred twenty-three".