4891423 has 8 divisors (see below), whose sum is σ = 5107536. Its totient is φ = 4680000.

The previous prime is 4891399. The next prime is 4891429. The reversal of 4891423 is 3241984.

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 4891423 - 2⁹ = 4890911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891429) 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, 1048 + ... + 3298.

It is an arithmetic number, because the mean of its divisors is an integer number (638442).

Almost surely, 2^4891423 is an apocalyptic number.

4891423 is a deficient number, since it is larger than the sum of its proper divisors (216113).

4891423 is a wasteful number, since it uses less digits than its factorization.

4891423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345.

The product of its digits is 6912, while the sum is 31.

The square root of 4891423 is about 2211.6561667673. The cubic root of 4891423 is about 169.7507651129.

The spelling of 4891423 in words is "four million, eight hundred ninety-one thousand, four hundred twenty-three".