3490291 has 4 divisors (see below), whose sum is σ = 3988912. Its totient is φ = 2991672.

The previous prime is 3490271. The next prime is 3490303. The reversal of 3490291 is 1920943.

It is a happy number.

3490291 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1920943 = 647 ⋅2969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3490291 is a prime.

It is a Duffinian number.

3490291 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3490271) 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, 249300 + ... + 249313.

It is an arithmetic number, because the mean of its divisors is an integer number (997228).

Almost surely, 2^3490291 is an apocalyptic number.

3490291 is a deficient number, since it is larger than the sum of its proper divisors (498621).

3490291 is an equidigital number, since it uses as much as digits as its factorization.

3490291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498620.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 3490291 is about 1868.2320519678. The cubic root of 3490291 is about 151.6889269478.

It can be divided in two parts, 349029 and 1, that added together give a triangular number (349030 = T₈₃₅).

The spelling of 3490291 in words is "three million, four hundred ninety thousand, two hundred ninety-one".