91494403 has 48 divisors (see below), whose sum is σ = 126489600. Its totient is φ = 64247040.

The previous prime is 91494401. The next prime is 91494407. The reversal of 91494403 is 30449419.

It is not a de Polignac number, because 91494403 - 2¹ = 91494401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91494401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1027983 + ... + 1028071.

It is an arithmetic number, because the mean of its divisors is an integer number (2635200).

Almost surely, 2^91494403 is an apocalyptic number.

91494403 is a deficient number, since it is larger than the sum of its proper divisors (34995197).

91494403 is a wasteful number, since it uses less digits than its factorization.

91494403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 91494403 is about 9565.2706705038. The cubic root of 91494403 is about 450.6072509606.

It can be divided in two parts, 91 and 494403, that added together give a palindrome (494494).

The spelling of 91494403 in words is "ninety-one million, four hundred ninety-four thousand, four hundred three".