4023905 has 8 divisors (see below), whose sum is σ = 4931712. Its totient is φ = 3150448.

The previous prime is 4023889. The next prime is 4023907. The reversal of 4023905 is 5093204.

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 4023905 - 2⁴ = 4023889 is a prime.

It is a super-2 number, since 2×4023905² = 32383622898050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023907) 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, 8327 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (616464).

Almost surely, 2^4023905 is an apocalyptic number.

It is an amenable number.

4023905 is a deficient number, since it is larger than the sum of its proper divisors (907807).

4023905 is a wasteful number, since it uses less digits than its factorization.

4023905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 4023905 is about 2005.9673476904. The cubic root of 4023905 is about 159.0557008543.

The spelling of 4023905 in words is "four million, twenty-three thousand, nine hundred five".