91406033 has 4 divisors (see below), whose sum is σ = 91592688. Its totient is φ = 91219380.

The previous prime is 91406027. The next prime is 91406041. The reversal of 91406033 is 33060419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91406033 - 2⁶ = 91405969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91405993 and 91406011.

It is not an unprimeable number, because it can be changed into a prime (91406233) 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, 92591 + ... + 93572.

It is an arithmetic number, because the mean of its divisors is an integer number (22898172).

Almost surely, 2^91406033 is an apocalyptic number.

It is an amenable number.

91406033 is a deficient number, since it is larger than the sum of its proper divisors (186655).

91406033 is a wasteful number, since it uses less digits than its factorization.

91406033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186654.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 91406033 is about 9560.6502393927. The cubic root of 91406033 is about 450.4621310098.

The spelling of 91406033 in words is "ninety-one million, four hundred six thousand, thirty-three".