35965921 has 8 divisors (see below), whose sum is σ = 37209600. Its totient is φ = 34727520.

The previous prime is 35965913. The next prime is 35965949. The reversal of 35965921 is 12956953.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35965921 - 2³ = 35965913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35965901) 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, 16620 + ... + 18658.

It is an arithmetic number, because the mean of its divisors is an integer number (4651200).

Almost surely, 2^35965921 is an apocalyptic number.

35965921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

35965921 is a deficient number, since it is larger than the sum of its proper divisors (1243679).

35965921 is a wasteful number, since it uses less digits than its factorization.

35965921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639.

The product of its digits is 72900, while the sum is 40.

The square root of 35965921 is about 5997.1594109211. The cubic root of 35965921 is about 330.0885009036.

The spelling of 35965921 in words is "thirty-five million, nine hundred sixty-five thousand, nine hundred twenty-one".