91919348 has 12 divisors (see below), whose sum is σ = 160957860. Its totient is φ = 45931392.

The previous prime is 91919329. The next prime is 91919351. The reversal of 91919348 is 84391919.

It can be written as a sum of positive squares in 2 ways, for example, as 42667024 + 49252324 = 6532^2 + 7018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91919299 and 91919308.

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, 1358 + ... + 13626.

It is an arithmetic number, because the mean of its divisors is an integer number (13413155).

Almost surely, 2^91919348 is an apocalyptic number.

It is an amenable number.

91919348 is a deficient number, since it is larger than the sum of its proper divisors (69038512).

91919348 is a wasteful number, since it uses less digits than its factorization.

91919348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14146 (or 14144 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 91919348 is about 9587.4578486687. The cubic root of 91919348 is about 451.3037876047.

The spelling of 91919348 in words is "ninety-one million, nine hundred nineteen thousand, three hundred forty-eight".