867260393 has 4 divisors (see below), whose sum is σ = 868383108. Its totient is φ = 866137680.

The previous prime is 867260357. The next prime is 867260419. The reversal of 867260393 is 393062768.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 458088409 + 409171984 = 21403^2 + 20228^2 .

It is a cyclic number.

It is not a de Polignac number, because 867260393 - 2⁸ = 867260137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (867230393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560198 + ... + 561743.

It is an arithmetic number, because the mean of its divisors is an integer number (217095777).

Almost surely, 2^867260393 is an apocalyptic number.

It is an amenable number.

867260393 is a deficient number, since it is larger than the sum of its proper divisors (1122715).

867260393 is a wasteful number, since it uses less digits than its factorization.

867260393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122714.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 867260393 is about 29449.2851016795. The cubic root of 867260393 is about 953.6371716285.

The spelling of 867260393 in words is "eight hundred sixty-seven million, two hundred sixty thousand, three hundred ninety-three".