91461214 has 16 divisors (see below), whose sum is σ = 148000608. Its totient is φ = 42139872.

The previous prime is 91461197. The next prime is 91461239. The reversal of 91461214 is 41216419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14104 + ... + 19540.

It is an arithmetic number, because the mean of its divisors is an integer number (9250038).

Almost surely, 2^91461214 is an apocalyptic number.

91461214 is a deficient number, since it is larger than the sum of its proper divisors (56539394).

91461214 is a wasteful number, since it uses less digits than its factorization.

91461214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099.

The product of its digits is 1728, while the sum is 28.

The square root of 91461214 is about 9563.5356432650. The cubic root of 91461214 is about 450.5527594207.

It can be divided in two parts, 914 and 61214, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 91461214 in words is "ninety-one million, four hundred sixty-one thousand, two hundred fourteen".