3494389 has 4 divisors (see below), whose sum is σ = 3579660. Its totient is φ = 3409120.

The previous prime is 3494377. The next prime is 3494399. The reversal of 3494389 is 9834943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9834943 = 1601 ⋅6143.

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 2528100 = 983^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 3494389 - 2⁵ = 3494357 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42574 + ... + 42655.

It is an arithmetic number, because the mean of its divisors is an integer number (894915).

Almost surely, 2^3494389 is an apocalyptic number.

It is an amenable number.

3494389 is a deficient number, since it is larger than the sum of its proper divisors (85271).

3494389 is an equidigital number, since it uses as much as digits as its factorization.

3494389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85270.

The product of its digits is 93312, while the sum is 40.

The square root of 3494389 is about 1869.3284890570. The cubic root of 3494389 is about 151.7482704329.

It can be divided in two parts, 3494 and 389, that added together give a palindrome (3883).

The spelling of 3494389 in words is "three million, four hundred ninety-four thousand, three hundred eighty-nine".