368535021 has 4 divisors (see below), whose sum is σ = 491380032. Its totient is φ = 245690012.

The previous prime is 368534981. The next prime is 368535047. The reversal of 368535021 is 120535863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 368535021 - 2¹⁴ = 368518637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368535091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61422501 + ... + 61422506.

It is an arithmetic number, because the mean of its divisors is an integer number (122845008).

Almost surely, 2^368535021 is an apocalyptic number.

It is an amenable number.

368535021 is a deficient number, since it is larger than the sum of its proper divisors (122845011).

368535021 is a wasteful number, since it uses less digits than its factorization.

368535021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122845010.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 368535021 is about 19197.2659772167. The cubic root of 368535021 is about 716.9566897076.

The spelling of 368535021 in words is "three hundred sixty-eight million, five hundred thirty-five thousand, twenty-one".