91480442 has 32 divisors (see below), whose sum is σ = 148538880. Its totient is φ = 42154560.

The previous prime is 91480423. The next prime is 91480463. The reversal of 91480442 is 24408419.

It is a junction number, because it is equal to n+sod(n) for n = 91480399 and 91480408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148928 + ... + 149540.

It is an arithmetic number, because the mean of its divisors is an integer number (4641840).

Almost surely, 2^91480442 is an apocalyptic number.

91480442 is a deficient number, since it is larger than the sum of its proper divisors (57058438).

91480442 is a wasteful number, since it uses less digits than its factorization.

91480442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 91480442 is about 9564.5408671823. The cubic root of 91480442 is about 450.5843306229.

The spelling of 91480442 in words is "ninety-one million, four hundred eighty thousand, four hundred forty-two".