369421321 has 4 divisors (see below), whose sum is σ = 369463312. Its totient is φ = 369379332.

The previous prime is 369421319. The next prime is 369421369. The reversal of 369421321 is 123124963.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 369421321 - 2¹ = 369421319 is a prime.

It is a super-2 number, since 2×369421321² = 272944224818770082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (369421421) 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 3 ways as a sum of consecutive naturals, for example, 2175 + ... + 27268.

It is an arithmetic number, because the mean of its divisors is an integer number (92365828).

Almost surely, 2^369421321 is an apocalyptic number.

It is an amenable number.

369421321 is a deficient number, since it is larger than the sum of its proper divisors (41991).

369421321 is a wasteful number, since it uses less digits than its factorization.

369421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41990.

The product of its digits is 7776, while the sum is 31.

The square root of 369421321 is about 19220.3361312959. The cubic root of 369421321 is about 717.5309725326.

The spelling of 369421321 in words is "three hundred sixty-nine million, four hundred twenty-one thousand, three hundred twenty-one".