91654406 has 8 divisors (see below), whose sum is σ = 138201984. Its totient is φ = 45587080.

The previous prime is 91654403. The next prime is 91654421. The reversal of 91654406 is 60445619.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91654403) 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, 119585 + ... + 120348.

It is an arithmetic number, because the mean of its divisors is an integer number (17275248).

Almost surely, 2^91654406 is an apocalyptic number.

91654406 is a deficient number, since it is larger than the sum of its proper divisors (46547578).

91654406 is a wasteful number, since it uses less digits than its factorization.

91654406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240126.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 91654406 is about 9573.6307637176. The cubic root of 91654406 is about 450.8697680195.

The spelling of 91654406 in words is "ninety-one million, six hundred fifty-four thousand, four hundred six".