91046603 has 4 divisors (see below), whose sum is σ = 93507360. Its totient is φ = 88585848.

The previous prime is 91046591. The next prime is 91046623. The reversal of 91046603 is 30664019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30664019 = 113 ⋅271363.

It is a cyclic number.

It is not a de Polignac number, because 91046603 - 2¹⁰ = 91045579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91046623) 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, 1230323 + ... + 1230396.

It is an arithmetic number, because the mean of its divisors is an integer number (23376840).

Almost surely, 2^91046603 is an apocalyptic number.

91046603 is a deficient number, since it is larger than the sum of its proper divisors (2460757).

91046603 is a wasteful number, since it uses less digits than its factorization.

91046603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460756.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 91046603 is about 9541.8343624274. The cubic root of 91046603 is about 449.8709144148.

The spelling of 91046603 in words is "ninety-one million, forty-six thousand, six hundred three".