35949966 has 64 divisors (see below), whose sum is σ = 83704320. Its totient is φ = 10200960.

The previous prime is 35949961. The next prime is 35949973. The reversal of 35949966 is 66994953.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35949961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51681 + ... + 52371.

It is an arithmetic number, because the mean of its divisors is an integer number (1307880).

Almost surely, 2^35949966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 35949966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41852160).

35949966 is an abundant number, since it is smaller than the sum of its proper divisors (47754354).

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

35949966 is a wasteful number, since it uses less digits than its factorization.

35949966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its digits is 1574640, while the sum is 51.

The square root of 35949966 is about 5995.8290502649. The cubic root of 35949966 is about 330.0396830148.

The spelling of 35949966 in words is "thirty-five million, nine hundred forty-nine thousand, nine hundred sixty-six".