264215039 has 16 divisors (see below), whose sum is σ = 301069440. Its totient is φ = 229721760.

The previous prime is 264215023. The next prime is 264215047. The reversal of 264215039 is 930512462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 264215039 - 2⁴ = 264215023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264214996 and 264215014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264215009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18512 + ... + 29514.

It is an arithmetic number, because the mean of its divisors is an integer number (18816840).

Almost surely, 2^264215039 is an apocalyptic number.

264215039 is a deficient number, since it is larger than the sum of its proper divisors (36854401).

264215039 is a wasteful number, since it uses less digits than its factorization.

264215039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 264215039 is about 16254.6928300722. The cubic root of 264215039 is about 641.6809967527.

The spelling of 264215039 in words is "two hundred sixty-four million, two hundred fifteen thousand, thirty-nine".