936402221 has 8 divisors (see below), whose sum is σ = 940368384. Its totient is φ = 932445360.

The previous prime is 936402217. The next prime is 936402263. The reversal of 936402221 is 122204639.

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 936402221 - 2² = 936402217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (936402281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256076 + ... + 259706.

It is an arithmetic number, because the mean of its divisors is an integer number (117546048).

Almost surely, 2^936402221 is an apocalyptic number.

It is an amenable number.

936402221 is a deficient number, since it is larger than the sum of its proper divisors (3966163).

936402221 is a wasteful number, since it uses less digits than its factorization.

936402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 936402221 is about 30600.6898778443. The cubic root of 936402221 is about 978.3347469104.

The spelling of 936402221 in words is "nine hundred thirty-six million, four hundred two thousand, two hundred twenty-one".