264963387 has 16 divisors (see below), whose sum is σ = 380753408. Its totient is φ = 162928800.

The previous prime is 264963373. The next prime is 264963397. The reversal of 264963387 is 783369462.

It is not a de Polignac number, because 264963387 - 2¹⁹ = 264439099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264963337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91512 + ... + 94362.

It is an arithmetic number, because the mean of its divisors is an integer number (23797088).

Almost surely, 2^264963387 is an apocalyptic number.

264963387 is a deficient number, since it is larger than the sum of its proper divisors (115790021).

264963387 is a wasteful number, since it uses less digits than its factorization.

264963387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its digits is 1306368, while the sum is 48.

The square root of 264963387 is about 16277.6959978985. The cubic root of 264963387 is about 642.2862462241.

The spelling of 264963387 in words is "two hundred sixty-four million, nine hundred sixty-three thousand, three hundred eighty-seven".