10091438 has 32 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 4022784.

The previous prime is 10091437. The next prime is 10091441. The reversal of 10091438 is 83419001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091437) 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, 25748 + ... + 26136.

It is an arithmetic number, because the mean of its divisors is an integer number (579150).

Almost surely, 2^10091438 is an apocalyptic number.

10091438 is a deficient number, since it is larger than the sum of its proper divisors (8441362).

10091438 is a wasteful number, since it uses less digits than its factorization.

10091438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10091438 is about 3176.7023782533. The cubic root of 10091438 is about 216.0981349916.

The spelling of 10091438 in words is "ten million, ninety-one thousand, four hundred thirty-eight".