4081623 has 16 divisors (see below), whose sum is σ = 6698496. Its totient is φ = 2152800.

The previous prime is 4081613. The next prime is 4081657. The reversal of 4081623 is 3261804.

It is a happy number.

It is not a de Polignac number, because 4081623 - 2⁴ = 4081607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4081593 and 4081602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (418656).

Almost surely, 2^4081623 is an apocalyptic number.

4081623 is a deficient number, since it is larger than the sum of its proper divisors (2616873).

4081623 is a wasteful number, since it uses less digits than its factorization.

4081623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4081623 is about 2020.3027000922. The cubic root of 4081623 is about 159.8125800258.

The spelling of 4081623 in words is "four million, eighty-one thousand, six hundred twenty-three".