3497887 has 4 divisors (see below), whose sum is σ = 3518280. Its totient is φ = 3477496.

The previous prime is 3497873. The next prime is 3497891. The reversal of 3497887 is 7887943.

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 3497887 - 2⁷ = 3497759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3497827) 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, 9937 + ... + 10282.

It is an arithmetic number, because the mean of its divisors is an integer number (879570).

Almost surely, 2^3497887 is an apocalyptic number.

3497887 is a deficient number, since it is larger than the sum of its proper divisors (20393).

3497887 is a wasteful number, since it uses less digits than its factorization.

3497887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20392.

The product of its digits is 338688, while the sum is 46.

The square root of 3497887 is about 1870.2638851242. The cubic root of 3497887 is about 151.7988885741.

The spelling of 3497887 in words is "three million, four hundred ninety-seven thousand, eight hundred eighty-seven".