3547287 has 8 divisors (see below), whose sum is σ = 5255280. Its totient is φ = 2364840.

The previous prime is 3547283. The next prime is 3547307. The reversal of 3547287 is 7827453.

It is not a de Polignac number, because 3547287 - 2² = 3547283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3547283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65664 + ... + 65717.

It is an arithmetic number, because the mean of its divisors is an integer number (656910).

Almost surely, 2^3547287 is an apocalyptic number.

3547287 is a deficient number, since it is larger than the sum of its proper divisors (1707993).

3547287 is a wasteful number, since it uses less digits than its factorization.

3547287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131390 (or 131384 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 3547287 is about 1883.4242750905. The cubic root of 3547287 is about 152.5101596743.

The spelling of 3547287 in words is "three million, five hundred forty-seven thousand, two hundred eighty-seven".