91405466 has 16 divisors (see below), whose sum is σ = 148227360. Its totient is φ = 42126480.

The previous prime is 91405463. The next prime is 91405469. The reversal of 91405466 is 66450419.

It is an interprime number because it is at equal distance from previous prime (91405463) and next prime (91405469).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (91405463) 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, 31100 + ... + 33911.

It is an arithmetic number, because the mean of its divisors is an integer number (9264210).

Almost surely, 2^91405466 is an apocalyptic number.

91405466 is a deficient number, since it is larger than the sum of its proper divisors (56821894).

91405466 is a wasteful number, since it uses less digits than its factorization.

91405466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65069.

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

The square root of 91405466 is about 9560.6205865519. The cubic root of 91405466 is about 450.4611995886.

The spelling of 91405466 in words is "ninety-one million, four hundred five thousand, four hundred sixty-six".