693469393 has 8 divisors (see below), whose sum is σ = 705335400. Its totient is φ = 681699840.

The previous prime is 693469369. The next prime is 693469397. The reversal of 693469393 is 393964396.

It can be written as a sum of positive squares in 4 ways, for example, as 305809 + 693163584 = 553^2 + 26328^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693469393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 693469393.

It is not an unprimeable number, because it can be changed into a prime (693469397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9538 + ... + 38443.

It is an arithmetic number, because the mean of its divisors is an integer number (88166925).

Almost surely, 2^693469393 is an apocalyptic number.

It is an amenable number.

693469393 is a deficient number, since it is larger than the sum of its proper divisors (11866007).

693469393 is a wasteful number, since it uses less digits than its factorization.

693469393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48227.

The product of its digits is 2834352, while the sum is 52.

The square root of 693469393 is about 26333.8070358237. The cubic root of 693469393 is about 885.1341548147.

The spelling of 693469393 in words is "six hundred ninety-three million, four hundred sixty-nine thousand, three hundred ninety-three".