3479247 has 8 divisors (see below), whose sum is σ = 5154480. Its totient is φ = 2319480.

The previous prime is 3479209. The next prime is 3479249. The reversal of 3479247 is 7429743.

It is not a de Polignac number, because 3479247 - 2⁶ = 3479183 is a prime.

3479247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3479249) 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 7 ways as a sum of consecutive naturals, for example, 64404 + ... + 64457.

It is an arithmetic number, because the mean of its divisors is an integer number (644310).

Almost surely, 2^3479247 is an apocalyptic number.

3479247 is a deficient number, since it is larger than the sum of its proper divisors (1675233).

3479247 is a wasteful number, since it uses less digits than its factorization.

3479247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128870 (or 128864 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3479247 is about 1865.2739745142. The cubic root of 3479247 is about 151.5287662267.

The spelling of 3479247 in words is "three million, four hundred seventy-nine thousand, two hundred forty-seven".