8091404 has 12 divisors (see below), whose sum is σ = 14427504. Its totient is φ = 3969264.

The previous prime is 8091367. The next prime is 8091409. The reversal of 8091404 is 4041908.

It is not an unprimeable number, because it can be changed into a prime (8091409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18872 + ... + 19295.

It is an arithmetic number, because the mean of its divisors is an integer number (1202292).

Almost surely, 2^8091404 is an apocalyptic number.

It is an amenable number.

8091404 is a deficient number, since it is larger than the sum of its proper divisors (6336100).

8091404 is a wasteful number, since it uses less digits than its factorization.

8091404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38224 (or 38222 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8091404 is about 2844.5393300146. The cubic root of 8091404 is about 200.7588173401.

The spelling of 8091404 in words is "eight million, ninety-one thousand, four hundred four".