91282900 has 18 divisors (see below), whose sum is σ = 198084110. Its totient is φ = 36513120.

The previous prime is 91282799. The next prime is 91282903. The reversal of 91282900 is 928219.

91282900 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8363664 + 82919236 = 2892^2 + 9106^2 .

91282900 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91282903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456315 + ... + 456514.

Almost surely, 2^91282900 is an apocalyptic number.

It is an amenable number.

91282900 is an abundant number, since it is smaller than the sum of its proper divisors (106801210).

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

91282900 is a wasteful number, since it uses less digits than its factorization.

91282900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912843 (or 912836 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 91282900 is about 9554.2084967830. The cubic root of 91282900 is about 450.2597677127.

It can be divided in two parts, 91 and 282900, that multiplied together give a triangular number (25743900 = T₇₁₇₅).

The spelling of 91282900 in words is "ninety-one million, two hundred eighty-two thousand, nine hundred".