335138693 has 4 divisors (see below), whose sum is σ = 339729708. Its totient is φ = 330547680.

The previous prime is 335138653. The next prime is 335138719. The reversal of 335138693 is 396831533.

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 152942689 + 182196004 = 12367^2 + 13498^2 .

It is a cyclic number.

It is not a de Polignac number, because 335138693 - 2⁸ = 335138437 is a prime.

It is a super-2 number, since 2×335138693² = 224635887091496498, which contains 22 as substring.

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 335138693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335138653) 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, 2295398 + ... + 2295543.

It is an arithmetic number, because the mean of its divisors is an integer number (84932427).

Almost surely, 2^335138693 is an apocalyptic number.

It is an amenable number.

335138693 is a deficient number, since it is larger than the sum of its proper divisors (4591015).

335138693 is an equidigital number, since it uses as much as digits as its factorization.

335138693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591014.

The product of its digits is 174960, while the sum is 41.

The square root of 335138693 is about 18306.7936296884. The cubic root of 335138693 is about 694.6107877165.

The spelling of 335138693 in words is "three hundred thirty-five million, one hundred thirty-eight thousand, six hundred ninety-three".