4091926 has 4 divisors (see below), whose sum is σ = 6137892. Its totient is φ = 2045962.

The previous prime is 4091921. The next prime is 4091933. The reversal of 4091926 is 6291904.

It is a happy number.

4091926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022980 + ... + 1022983.

It is an arithmetic number, because the mean of its divisors is an integer number (1534473).

Almost surely, 2^4091926 is an apocalyptic number.

4091926 is a deficient number, since it is larger than the sum of its proper divisors (2045966).

4091926 is a wasteful number, since it uses less digits than its factorization.

4091926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045965.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 4091926 is about 2022.8509584248. The cubic root of 4091926 is about 159.9469355280.

The spelling of 4091926 in words is "four million, ninety-one thousand, nine hundred twenty-six".