91406396 has 12 divisors (see below), whose sum is σ = 160039152. Its totient is φ = 45680928.

The previous prime is 91406389. The next prime is 91406401. The reversal of 91406396 is 69360419.

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, 6641 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (13336596).

Almost surely, 2^91406396 is an apocalyptic number.

It is an amenable number.

91406396 is a deficient number, since it is larger than the sum of its proper divisors (68632756).

91406396 is a wasteful number, since it uses less digits than its factorization.

91406396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140 (or 11138 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 91406396 is about 9560.6692234383. The cubic root of 91406396 is about 450.4627273145.

The spelling of 91406396 in words is "ninety-one million, four hundred six thousand, three hundred ninety-six".