91460916 has 18 divisors (see below), whose sum is σ = 231192962. Its totient is φ = 30486960.

The previous prime is 91460893. The next prime is 91460917. The reversal of 91460916 is 61906419.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 40908816 = 7110^2 + 6396^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-4 number, since 4×91460916⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2540581 = 91460916 / (9 + 1 + 4 + 6 + 0 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91460917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270255 + ... + 1270326.

Almost surely, 2^91460916 is an apocalyptic number.

It is an amenable number.

91460916 is an abundant number, since it is smaller than the sum of its proper divisors (139732046).

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

91460916 is a wasteful number, since it uses less digits than its factorization.

91460916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540591 (or 2540586 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 91460916 is about 9563.5200632403. The cubic root of 91460916 is about 450.5522700881.

The spelling of 91460916 in words is "ninety-one million, four hundred sixty thousand, nine hundred sixteen".