3399491 has 4 divisors (see below), whose sum is σ = 3509184. Its totient is φ = 3289800.

The previous prime is 3399457. The next prime is 3399503. The reversal of 3399491 is 1949933.

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

It is a cyclic number.

It is not a de Polignac number, because 3399491 - 2⁶ = 3399427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3392491) 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, 54800 + ... + 54861.

It is an arithmetic number, because the mean of its divisors is an integer number (877296).

Almost surely, 2^3399491 is an apocalyptic number.

3399491 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3399491 is a deficient number, since it is larger than the sum of its proper divisors (109693).

3399491 is a wasteful number, since it uses less digits than its factorization.

3399491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109692.

The product of its digits is 26244, while the sum is 38.

The square root of 3399491 is about 1843.7708642887. The cubic root of 3399491 is about 150.3619555151.

It can be divided in two parts, 33 and 99491, that multiplied together give a triangular number (3283203 = T₂₅₆₂).

The spelling of 3399491 in words is "three million, three hundred ninety-nine thousand, four hundred ninety-one".