336509947 has 4 divisors (see below), whose sum is σ = 336692056. Its totient is φ = 336327840.

The previous prime is 336509933. The next prime is 336509963. The reversal of 336509947 is 749905633.

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

It is a cyclic number.

It is not a de Polignac number, because 336509947 - 2¹⁵ = 336477179 is a prime.

It is a super-2 number, since 2×336509947² = 226477888859885618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 336509897 and 336509906.

It is not an unprimeable number, because it can be changed into a prime (336509347) 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, 88254 + ... + 91987.

It is an arithmetic number, because the mean of its divisors is an integer number (84173014).

Almost surely, 2^336509947 is an apocalyptic number.

336509947 is a deficient number, since it is larger than the sum of its proper divisors (182109).

336509947 is a wasteful number, since it uses less digits than its factorization.

336509947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182108.

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 336509947 is about 18344.2074508549. The cubic root of 336509947 is about 695.5568554380.

The spelling of 336509947 in words is "three hundred thirty-six million, five hundred nine thousand, nine hundred forty-seven".