91411461 has 12 divisors (see below), whose sum is σ = 132338700. Its totient is φ = 60802560.

The previous prime is 91411459. The next prime is 91411487. The reversal of 91411461 is 16411419.

It can be written as a sum of positive squares in 2 ways, for example, as 76895361 + 14516100 = 8769^2 + 3810^2 .

It is not a de Polignac number, because 91411461 - 2¹ = 91411459 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91411561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7270 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (11028225).

Almost surely, 2^91411461 is an apocalyptic number.

It is an amenable number.

91411461 is a deficient number, since it is larger than the sum of its proper divisors (40927239).

91411461 is a wasteful number, since it uses less digits than its factorization.

91411461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23076 (or 23073 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 91411461 is about 9560.9341070839. The cubic root of 91411461 is about 450.4710474893.

The spelling of 91411461 in words is "ninety-one million, four hundred eleven thousand, four hundred sixty-one".