91950612 has 48 divisors (see below), whose sum is σ = 235990272. Its totient is φ = 27688320.

The previous prime is 91950611. The next prime is 91950629. The reversal of 91950612 is 21605919.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91950611) 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 15 ways as a sum of consecutive naturals, for example, 1062 + ... + 13602.

It is an arithmetic number, because the mean of its divisors is an integer number (4916464).

Almost surely, 2^91950612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91950612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117995136).

91950612 is an abundant number, since it is smaller than the sum of its proper divisors (144039660).

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

91950612 is a wasteful number, since it uses less digits than its factorization.

91950612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12606 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 91950612 is about 9589.0881735439. The cubic root of 91950612 is about 451.3549482601.

The spelling of 91950612 in words is "ninety-one million, nine hundred fifty thousand, six hundred twelve".