3403889 has 4 divisors (see below), whose sum is σ = 3495924. Its totient is φ = 3311856.

The previous prime is 3403879. The next prime is 3403891. The reversal of 3403889 is 9883043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9883043 = 137 ⋅72139.

It can be written as a sum of positive squares in 2 ways, for example, as 2608225 + 795664 = 1615^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 3403889 - 2¹² = 3399793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3403849) 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, 45962 + ... + 46035.

It is an arithmetic number, because the mean of its divisors is an integer number (873981).

Almost surely, 2^3403889 is an apocalyptic number.

It is an amenable number.

3403889 is a deficient number, since it is larger than the sum of its proper divisors (92035).

3403889 is an equidigital number, since it uses as much as digits as its factorization.

3403889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92034.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3403889 is about 1844.9631432633. The cubic root of 3403889 is about 150.4267698171.

The spelling of 3403889 in words is "three million, four hundred three thousand, eight hundred eighty-nine".