335979947 has 4 divisors (see below), whose sum is σ = 336490440. Its totient is φ = 335469456.

The previous prime is 335979937. The next prime is 335979949. The reversal of 335979947 is 749979533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749979533 = 19 ⋅39472607.

It is a cyclic number.

It is not a de Polignac number, because 335979947 - 2⁸ = 335979691 is a prime.

It is a super-3 number, since 3×335979947³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 335979892 and 335979901.

It is not an unprimeable number, because it can be changed into a prime (335979949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254258 + ... + 255575.

It is an arithmetic number, because the mean of its divisors is an integer number (84122610).

Almost surely, 2^335979947 is an apocalyptic number.

335979947 is a deficient number, since it is larger than the sum of its proper divisors (510493).

335979947 is an equidigital number, since it uses as much as digits as its factorization.

335979947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510492.

The product of its digits is 6429780, while the sum is 56.

The square root of 335979947 is about 18329.7557812427. The cubic root of 335979947 is about 695.1914983922.

The spelling of 335979947 in words is "three hundred thirty-five million, nine hundred seventy-nine thousand, nine hundred forty-seven".