264213937 has 8 divisors (see below), whose sum is σ = 288436904. Its totient is φ = 240547968.

The previous prime is 264213907. The next prime is 264213941. The reversal of 264213937 is 739312462.

It can be written as a sum of positive squares in 4 ways, for example, as 55815841 + 208398096 = 7471^2 + 14436^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 264213937 - 2¹⁹ = 263689649 is a prime.

It is a super-3 number, since 3×264213937³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264213896 and 264213905.

It is not an unprimeable number, because it can be changed into a prime (264213907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138258 + ... + 140155.

It is an arithmetic number, because the mean of its divisors is an integer number (36054613).

Almost surely, 2^264213937 is an apocalyptic number.

It is an amenable number.

264213937 is a deficient number, since it is larger than the sum of its proper divisors (24222967).

264213937 is a wasteful number, since it uses less digits than its factorization.

264213937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278499.

The product of its digits is 54432, while the sum is 37.

The square root of 264213937 is about 16254.6589321339. The cubic root of 264213937 is about 641.6801046342.

The spelling of 264213937 in words is "two hundred sixty-four million, two hundred thirteen thousand, nine hundred thirty-seven".