214320464 has 10 divisors (see below), whose sum is σ = 415245930. Its totient is φ = 107160224.

The previous prime is 214320439. The next prime is 214320467. The reversal of 214320464 is 464023412.

It can be written as a sum of positive squares in only one way, i.e., 148840000 + 65480464 = 12200^2 + 8092^2 .

It is a super-3 number, since 3×214320464³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214320467) 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 as a sum of consecutive naturals, namely, 6697499 + ... + 6697530.

It is an arithmetic number, because the mean of its divisors is an integer number (41524593).

Almost surely, 2^214320464 is an apocalyptic number.

It is an amenable number.

214320464 is a deficient number, since it is larger than the sum of its proper divisors (200925466).

214320464 is a wasteful number, since it uses less digits than its factorization.

214320464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13395037 (or 13395031 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 214320464 is about 14639.6879748169. The cubic root of 214320464 is about 598.4408258771.

Adding to 214320464 its reverse (464023412), we get a palindrome (678343876).

The spelling of 214320464 in words is "two hundred fourteen million, three hundred twenty thousand, four hundred sixty-four".