6499923 has 8 divisors (see below), whose sum is σ = 8868288. Its totient is φ = 4232424.

The previous prime is 6499903. The next prime is 6499939. The reversal of 6499923 is 3299946.

6499923 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6499923 - 2⁶ = 6499859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6499903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25065 + ... + 25322.

It is an arithmetic number, because the mean of its divisors is an integer number (1108536).

Almost surely, 2^6499923 is an apocalyptic number.

6499923 is a deficient number, since it is larger than the sum of its proper divisors (2368365).

6499923 is a wasteful number, since it uses less digits than its factorization.

6499923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50433.

The product of its digits is 104976, while the sum is 42.

The square root of 6499923 is about 2549.4946558093. The cubic root of 6499923 is about 186.6248209063.

The spelling of 6499923 in words is "six million, four hundred ninety-nine thousand, nine hundred twenty-three".