3491697 has 12 divisors (see below), whose sum is σ = 5117840. Its totient is φ = 2115960.

The previous prime is 3491689. The next prime is 3491707. The reversal of 3491697 is 7961943.

It is not a de Polignac number, because 3491697 - 2³ = 3491689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3491617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4447 + ... + 5172.

Almost surely, 2^3491697 is an apocalyptic number.

It is an amenable number.

3491697 is a deficient number, since it is larger than the sum of its proper divisors (1626143).

3491697 is a wasteful number, since it uses less digits than its factorization.

3491697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644 (or 9633 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 3491697 is about 1868.6083056649. The cubic root of 3491697 is about 151.7092925849.

The spelling of 3491697 in words is "three million, four hundred ninety-one thousand, six hundred ninety-seven".