3487289 has 4 divisors (see below), whose sum is σ = 3755556. Its totient is φ = 3219024.

The previous prime is 3487277. The next prime is 3487291. The reversal of 3487289 is 9827843.

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

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 2917264 = 755^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 3487289 - 2⁴ = 3487273 is a prime.

It is a super-2 number, since 2×3487289² = 24322369139042, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹² + 4⁴ + 8⁵ + 7⁷ + 2¹¹ + 8⁷ + 9² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3487219) 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, 134114 + ... + 134139.

It is an arithmetic number, because the mean of its divisors is an integer number (938889).

Almost surely, 2^3487289 is an apocalyptic number.

It is an amenable number.

3487289 is a deficient number, since it is larger than the sum of its proper divisors (268267).

3487289 is a wasteful number, since it uses less digits than its factorization.

3487289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268266.

The product of its digits is 96768, while the sum is 41.

The square root of 3487289 is about 1867.4284457510. The cubic root of 3487289 is about 151.6454252478.

The spelling of 3487289 in words is "three million, four hundred eighty-seven thousand, two hundred eighty-nine".