393382036221 has 16 divisors (see below), whose sum is σ = 536748917760. Its totient is φ = 256135869360.

The previous prime is 393382036199. The next prime is 393382036237. The reversal of 393382036221 is 122630283393.

It is a happy number.

It is not a de Polignac number, because 393382036221 - 2⁷ = 393382036093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393382036261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653126 + ... + 1876056.

It is an arithmetic number, because the mean of its divisors is an integer number (33546807360).

Almost surely, 2^393382036221 is an apocalyptic number.

It is an amenable number.

393382036221 is a deficient number, since it is larger than the sum of its proper divisors (143366881539).

393382036221 is a wasteful number, since it uses less digits than its factorization.

393382036221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236656.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 393382036221 in words is "three hundred ninety-three billion, three hundred eighty-two million, thirty-six thousand, two hundred twenty-one".