3497689 has 8 divisors (see below), whose sum is σ = 3801672. Its totient is φ = 3198720.

The previous prime is 3497671. The next prime is 3497713. The reversal of 3497689 is 9867943.

It can be written as a sum of positive squares in 4 ways, for example, as 824464 + 2673225 = 908^2 + 1635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3497689 - 2¹⁵ = 3464921 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 (3497609) 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, 279 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (475209).

Almost surely, 2^3497689 is an apocalyptic number.

It is an amenable number.

3497689 is a deficient number, since it is larger than the sum of its proper divisors (303983).

3497689 is a wasteful number, since it uses less digits than its factorization.

3497689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507.

The product of its digits is 326592, while the sum is 46.

The square root of 3497689 is about 1870.2109506684. The cubic root of 3497689 is about 151.7960242975.

It can be divided in two parts, 3497 and 689, that added together give a triangular number (4186 = T₉₁).

The spelling of 3497689 in words is "three million, four hundred ninety-seven thousand, six hundred eighty-nine".