6428923 has 8 divisors (see below), whose sum is σ = 6814080. Its totient is φ = 6054720.

The previous prime is 6428921. The next prime is 6428957. The reversal of 6428923 is 3298246.

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

It is a cyclic number.

It is not a de Polignac number, because 6428923 - 2¹ = 6428921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6428921) 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, 1515 + ... + 3892.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^6428923 is an apocalyptic number.

6428923 is a deficient number, since it is larger than the sum of its proper divisors (385157).

6428923 is a wasteful number, since it uses less digits than its factorization.

6428923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5477.

The product of its digits is 20736, while the sum is 34.

The square root of 6428923 is about 2535.5320940584. The cubic root of 6428923 is about 185.9428178174.

The spelling of 6428923 in words is "six million, four hundred twenty-eight thousand, nine hundred twenty-three".