368421 has 8 divisors (see below), whose sum is σ = 494304. Its totient is φ = 244080.

The previous prime is 368411. The next prime is 368443. The reversal of 368421 is 124863.

It is a happy number.

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

It is not a de Polignac number, because 368421 - 2⁷ = 368293 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 368391 and 368400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 951.

It is an arithmetic number, because the mean of its divisors is an integer number (61788).

2³⁶⁸⁴²¹ is an apocalyptic number.

It is an amenable number.

368421 is a deficient number, since it is larger than the sum of its proper divisors (125883).

368421 is a wasteful number, since it uses less digits than its factorization.

368421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its digits is 1152, while the sum is 24.

The square root of 368421 is about 606.9769353114. The cubic root of 368421 is about 71.6882742370.

The spelling of 368421 in words is "three hundred sixty-eight thousand, four hundred twenty-one".