3491779 has 4 divisors (see below), whose sum is σ = 3498040. Its totient is φ = 3485520.

The previous prime is 3491777. The next prime is 3491821. The reversal of 3491779 is 9771943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9771943 = 71 ⋅137633.

It is a cyclic number.

It is not a de Polignac number, because 3491779 - 2¹ = 3491777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3491773) 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, 2202 + ... + 3439.

It is an arithmetic number, because the mean of its divisors is an integer number (874510).

Almost surely, 2^3491779 is an apocalyptic number.

3491779 is a deficient number, since it is larger than the sum of its proper divisors (6261).

3491779 is an equidigital number, since it uses as much as digits as its factorization.

3491779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260.

The product of its digits is 47628, while the sum is 40.

The square root of 3491779 is about 1868.6302469991. The cubic root of 3491779 is about 151.7104801702.

The spelling of 3491779 in words is "three million, four hundred ninety-one thousand, seven hundred seventy-nine".