10040091 has 8 divisors (see below), whose sum is σ = 13407504. Its totient is φ = 6683040.

The previous prime is 10040087. The next prime is 10040111. The reversal of 10040091 is 19004001.

10040091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10040091 - 2² = 10040087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10040091.

It is not an unprimeable number, because it can be changed into a prime (10040011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61 + ... + 4481.

It is an arithmetic number, because the mean of its divisors is an integer number (1675938).

Almost surely, 2^10040091 is an apocalyptic number.

10040091 is a deficient number, since it is larger than the sum of its proper divisors (3367413).

10040091 is an equidigital number, since it uses as much as digits as its factorization.

10040091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 10040091 is about 3168.6102631911. The cubic root of 10040091 is about 215.7309965731.

Adding to 10040091 its reverse (19004001), we get a palindrome (29044092).

The spelling of 10040091 in words is "ten million, forty thousand, ninety-one".