364405421 has 8 divisors (see below), whose sum is σ = 389382840. Its totient is φ = 339821568.

The previous prime is 364405409. The next prime is 364405487. The reversal of 364405421 is 124504463.

It can be written as a sum of positive squares in 4 ways, for example, as 205922500 + 158482921 = 14350^2 + 12589^2 .

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

It is not a de Polignac number, because 364405421 - 2¹⁴ = 364389037 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 (364405021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96476 + ... + 100181.

It is an arithmetic number, because the mean of its divisors is an integer number (48672855).

Almost surely, 2^364405421 is an apocalyptic number.

It is an amenable number.

364405421 is a deficient number, since it is larger than the sum of its proper divisors (24977419).

364405421 is a wasteful number, since it uses less digits than its factorization.

364405421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196783.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 364405421 is about 19089.4059886629. The cubic root of 364405421 is about 714.2686841711.

Adding to 364405421 its reverse (124504463), we get a palindrome (488909884).

The spelling of 364405421 in words is "three hundred sixty-four million, four hundred five thousand, four hundred twenty-one".