3490691 has 4 divisors (see below), whose sum is σ = 3585072. Its totient is φ = 3396312.

The previous prime is 3490681. The next prime is 3490703. The reversal of 3490691 is 1960943.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3490691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3490651) 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, 47135 + ... + 47208.

It is an arithmetic number, because the mean of its divisors is an integer number (896268).

Almost surely, 2^3490691 is an apocalyptic number.

3490691 is a deficient number, since it is larger than the sum of its proper divisors (94381).

3490691 is an equidigital number, since it uses as much as digits as its factorization.

3490691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94380.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3490691 is about 1868.3391019834. The cubic root of 3490691 is about 151.6947214267.

The spelling of 3490691 in words is "three million, four hundred ninety thousand, six hundred ninety-one".