91603465 has 16 divisors (see below), whose sum is σ = 116867520. Its totient is φ = 68731200.

The previous prime is 91603441. The next prime is 91603469. The reversal of 91603465 is 56430619.

It is not a de Polignac number, because 91603465 - 2⁵ = 91603433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91603465.

It is not an unprimeable number, because it can be changed into a prime (91603469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4822 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (7304220).

Almost surely, 2^91603465 is an apocalyptic number.

91603465 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

91603465 is a deficient number, since it is larger than the sum of its proper divisors (25264055).

91603465 is a wasteful number, since it uses less digits than its factorization.

91603465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 91603465 is about 9570.9699090531. The cubic root of 91603465 is about 450.7862222513.

The spelling of 91603465 in words is "ninety-one million, six hundred three thousand, four hundred sixty-five".