3356247 has 4 divisors (see below), whose sum is σ = 4475000. Its totient is φ = 2237496.

The previous prime is 3356239. The next prime is 3356263. The reversal of 3356247 is 7426533.

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

It is not a de Polignac number, because 3356247 - 2³ = 3356239 is a prime.

It is a super-2 number, since 2×3356247² = 22528787850018, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

3356247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3356237) 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, 559372 + ... + 559377.

It is an arithmetic number, because the mean of its divisors is an integer number (1118750).

Almost surely, 2^3356247 is an apocalyptic number.

3356247 is a deficient number, since it is larger than the sum of its proper divisors (1118753).

3356247 is a wasteful number, since it uses less digits than its factorization.

3356247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118752.

The product of its digits is 15120, while the sum is 30.

The square root of 3356247 is about 1832.0062772818. The cubic root of 3356247 is about 149.7216616155.

It can be divided in two parts, 33 and 56247, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 3356247 in words is "three million, three hundred fifty-six thousand, two hundred forty-seven".