3490091 has 8 divisors (see below), whose sum is σ = 4008000. Its totient is φ = 3005640.

The previous prime is 3490051. The next prime is 3490127. The reversal of 3490091 is 1900943.

It is a happy number.

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

It is not a de Polignac number, because 3490091 - 2¹⁸ = 3227947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3490091.

It is not an unprimeable number, because it can be changed into a prime (3490021) 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, 8141 + ... + 8558.

It is an arithmetic number, because the mean of its divisors is an integer number (501000).

Almost surely, 2^3490091 is an apocalyptic number.

3490091 is a deficient number, since it is larger than the sum of its proper divisors (517909).

3490091 is a wasteful number, since it uses less digits than its factorization.

3490091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16729.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3490091 is about 1868.1785246598. The cubic root of 3490091 is about 151.6860295423.

It can be divided in two parts, 3 and 490091, that added together give a palindrome (490094).

The spelling of 3490091 in words is "three million, four hundred ninety thousand, ninety-one".