368242021 has 12 divisors (see below), whose sum is σ = 444166752. Its totient is φ = 299021544.

The previous prime is 368242001. The next prime is 368242031. The reversal of 368242021 is 120242863.

It is not a de Polignac number, because 368242021 - 2¹³ = 368233829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368242001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70335 + ... + 75388.

It is an arithmetic number, because the mean of its divisors is an integer number (37013896).

Almost surely, 2^368242021 is an apocalyptic number.

It is an amenable number.

368242021 is a deficient number, since it is larger than the sum of its proper divisors (75924731).

368242021 is a wasteful number, since it uses less digits than its factorization.

368242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145768 (or 145749 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 368242021 is about 19189.6331648106. The cubic root of 368242021 is about 716.7666363037.

Adding to 368242021 its reverse (120242863), we get a palindrome (488484884).

The spelling of 368242021 in words is "three hundred sixty-eight million, two hundred forty-two thousand, twenty-one".