91625346 has 36 divisors (see below), whose sum is σ = 203319558. Its totient is φ = 29820672.

The previous prime is 91625341. The next prime is 91625351. The reversal of 91625346 is 64352619.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91625341) and next prime (91625351).

It can be written as a sum of positive squares in only one way, i.e., 57927321 + 33698025 = 7611^2 + 5805^2 .

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 91625346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91625341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31906 + ... + 34658.

Almost surely, 2^91625346 is an apocalyptic number.

91625346 is an abundant number, since it is smaller than the sum of its proper divisors (111694212).

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

91625346 is a wasteful number, since it uses less digits than its factorization.

91625346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847 (or 2801 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 91625346 is about 9572.1129328900. The cubic root of 91625346 is about 450.8221119711.

It can be divided in two parts, 916 and 25346, that added together give a palindrome (26262).

The spelling of 91625346 in words is "ninety-one million, six hundred twenty-five thousand, three hundred forty-six".