364047421 has 4 divisors (see below), whose sum is σ = 364668192. Its totient is φ = 363426652.

The previous prime is 364047389. The next prime is 364047461. The reversal of 364047421 is 124740463.

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 364047421 - 2⁵ = 364047389 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 (364047461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309505 + ... + 310678.

It is an arithmetic number, because the mean of its divisors is an integer number (91167048).

Almost surely, 2^364047421 is an apocalyptic number.

It is an amenable number.

364047421 is a deficient number, since it is larger than the sum of its proper divisors (620771).

364047421 is an equidigital number, since it uses as much as digits as its factorization.

364047421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620770.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 364047421 is about 19080.0267557464. The cubic root of 364047421 is about 714.0347030448.

Adding to 364047421 its reverse (124740463), we get a palindrome (488787884).

The spelling of 364047421 in words is "three hundred sixty-four million, forty-seven thousand, four hundred twenty-one".