4023456 has 24 divisors (see below), whose sum is σ = 10561824. Its totient is φ = 1341120.

The previous prime is 4023401. The next prime is 4023469. The reversal of 4023456 is 6543204.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20860 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (440076).

Almost surely, 2^4023456 is an apocalyptic number.

It is an amenable number.

4023456 is an abundant number, since it is smaller than the sum of its proper divisors (6538368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4023456 is a wasteful number, since it uses less digits than its factorization.

4023456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41924 (or 41916 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4023456 is about 2005.8554284893. The cubic root of 4023456 is about 159.0497846555.

The spelling of 4023456 in words is "four million, twenty-three thousand, four hundred fifty-six".