91352406 has 8 divisors (see below), whose sum is σ = 182704824. Its totient is φ = 30450800.

The previous prime is 91352357. The next prime is 91352411. The reversal of 91352406 is 60425319.

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

91352406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7612695 + ... + 7612706.

It is an arithmetic number, because the mean of its divisors is an integer number (22838103).

Almost surely, 2^91352406 is an apocalyptic number.

91352406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91352406 is a wasteful number, since it uses less digits than its factorization.

91352406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225406.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 91352406 is about 9557.8452592622. The cubic root of 91352406 is about 450.3740199094.

The spelling of 91352406 in words is "ninety-one million, three hundred fifty-two thousand, four hundred six".