91314420 has 48 divisors (see below), whose sum is σ = 261128448. Its totient is φ = 23831680.

The previous prime is 91314407. The next prime is 91314427. The reversal of 91314420 is 2441319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91314427) 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, 13371 + ... + 19010.

It is an arithmetic number, because the mean of its divisors is an integer number (5440176).

Almost surely, 2^91314420 is an apocalyptic number.

It is an amenable number.

91314420 is an abundant number, since it is smaller than the sum of its proper divisors (169814028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91314420 is a wasteful number, since it uses less digits than its factorization.

91314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440 (or 32438 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 91314420 is about 9555.8578892740. The cubic root of 91314420 is about 450.3115866721.

Adding to 91314420 its reverse (2441319), we get a palindrome (93755739).

The spelling of 91314420 in words is "ninety-one million, three hundred fourteen thousand, four hundred twenty".