321340450 has 12 divisors (see below), whose sum is σ = 597693330. Its totient is φ = 128536160.

The previous prime is 321340441. The next prime is 321340469. The reversal of 321340450 is 54043123.

It can be written as a sum of positive squares in 3 ways, for example, as 273273961 + 48066489 = 16531^2 + 6933^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3213355 + ... + 3213454.

Almost surely, 2^321340450 is an apocalyptic number.

321340450 is a deficient number, since it is larger than the sum of its proper divisors (276352880).

321340450 is a wasteful number, since it uses less digits than its factorization.

321340450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426821 (or 6426816 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 321340450 is about 17925.9713823268. The cubic root of 321340450 is about 684.9441054078.

Adding to 321340450 its reverse (54043123), we get a palindrome (375383573).

The spelling of 321340450 in words is "three hundred twenty-one million, three hundred forty thousand, four hundred fifty".