91241403 has 8 divisors (see below), whose sum is σ = 132714816. Its totient is φ = 55297800.

The previous prime is 91241389. The next prime is 91241413. The reversal of 91241403 is 30414219.

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

It is not a de Polignac number, because 91241403 - 2⁴ = 91241387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91241413) 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, 1382413 + ... + 1382478.

It is an arithmetic number, because the mean of its divisors is an integer number (16589352).

Almost surely, 2^91241403 is an apocalyptic number.

91241403 is a deficient number, since it is larger than the sum of its proper divisors (41473413).

91241403 is a wasteful number, since it uses less digits than its factorization.

91241403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764905.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 91241403 is about 9552.0365891259. The cubic root of 91241403 is about 450.1915283470.

The spelling of 91241403 in words is "ninety-one million, two hundred forty-one thousand, four hundred three".