91408001 has 8 divisors (see below), whose sum is σ = 92735808. Its totient is φ = 90090000.

The previous prime is 91407973. The next prime is 91408007. The reversal of 91408001 is 10080419.

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

It is a cyclic number.

It is not a de Polignac number, because 91408001 - 2⁶ = 91407937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91408007) 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, 17471 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (11591976).

Almost surely, 2^91408001 is an apocalyptic number.

It is an amenable number.

91408001 is a deficient number, since it is larger than the sum of its proper divisors (1327807).

91408001 is a wasteful number, since it uses less digits than its factorization.

91408001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 91408001 is about 9560.7531607086. The cubic root of 91408001 is about 450.4653638493.

The spelling of 91408001 in words is "ninety-one million, four hundred eight thousand, one".