10091493 has 16 divisors (see below), whose sum is σ = 15048640. Its totient is φ = 6683472.

The previous prime is 10091479. The next prime is 10091509. The reversal of 10091493 is 39419001.

It is not a de Polignac number, because 10091493 - 2⁶ = 10091429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091423) 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, 3255 + ... + 5547.

It is an arithmetic number, because the mean of its divisors is an integer number (940540).

Almost surely, 2^10091493 is an apocalyptic number.

It is an amenable number.

10091493 is a deficient number, since it is larger than the sum of its proper divisors (4957147).

10091493 is a wasteful number, since it uses less digits than its factorization.

10091493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10091493 is about 3176.7110350172. The cubic root of 10091493 is about 216.0985275810.

The spelling of 10091493 in words is "ten million, ninety-one thousand, four hundred ninety-three".