91093634 has 8 divisors (see below), whose sum is σ = 138512460. Its totient is φ = 44922816.

The previous prime is 91093631. The next prime is 91093649. The reversal of 91093634 is 43639019.

It can be written as a sum of positive squares in 2 ways, for example, as 80550625 + 10543009 = 8975^2 + 3247^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 91093594 and 91093603.

It is not an unprimeable number, because it can be changed into a prime (91093631) 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, 311819 + ... + 312110.

Almost surely, 2^91093634 is an apocalyptic number.

91093634 is a deficient number, since it is larger than the sum of its proper divisors (47418826).

91093634 is a wasteful number, since it uses less digits than its factorization.

91093634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624004.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 91093634 is about 9544.2985074860. The cubic root of 91093634 is about 449.9483627992.

The spelling of 91093634 in words is "ninety-one million, ninety-three thousand, six hundred thirty-four".