91461230 has 16 divisors (see below), whose sum is σ = 188148960. Its totient is φ = 31358112.

The previous prime is 91461197. The next prime is 91461239. The reversal of 91461230 is 3216419.

It is a super-2 number, since 2×91461230² = 16730313186225800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 91461230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91461239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653225 + ... + 653364.

It is an arithmetic number, because the mean of its divisors is an integer number (11759310).

Almost surely, 2^91461230 is an apocalyptic number.

91461230 is an abundant number, since it is smaller than the sum of its proper divisors (96687730).

91461230 is a wasteful number, since it uses less digits than its factorization.

91461230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306603.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 91461230 is about 9563.5364797757. The cubic root of 91461230 is about 450.5527856936.

Adding to 91461230 its reverse (3216419), we get a palindrome (94677649).

The spelling of 91461230 in words is "ninety-one million, four hundred sixty-one thousand, two hundred thirty".