4081923 has 12 divisors (see below), whose sum is σ = 5913648. Its totient is φ = 2713200.

The previous prime is 4081897. The next prime is 4081933. The reversal of 4081923 is 3291804.

It is not a de Polignac number, because 4081923 - 2¹³ = 4073731 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (4081933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5473 + ... + 6173.

It is an arithmetic number, because the mean of its divisors is an integer number (492804).

Almost surely, 2^4081923 is an apocalyptic number.

4081923 is a deficient number, since it is larger than the sum of its proper divisors (1831725).

4081923 is a wasteful number, since it uses less digits than its factorization.

4081923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4081923 is about 2020.3769450278. The cubic root of 4081923 is about 159.8164953474.

The spelling of 4081923 in words is "four million, eighty-one thousand, nine hundred twenty-three".