3398629 has 4 divisors (see below), whose sum is σ = 3660076. Its totient is φ = 3137184.

The previous prime is 3398627. The next prime is 3398639. The reversal of 3398629 is 9268933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9268933 = 269 ⋅34457.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 3150625 = 498^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 3398629 - 2¹ = 3398627 is a prime.

It is a Duffinian number.

3398629 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3398591 and 3398600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398621) 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, 130704 + ... + 130729.

It is an arithmetic number, because the mean of its divisors is an integer number (915019).

Almost surely, 2^3398629 is an apocalyptic number.

It is an amenable number.

3398629 is a deficient number, since it is larger than the sum of its proper divisors (261447).

3398629 is a wasteful number, since it uses less digits than its factorization.

3398629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261446.

The product of its digits is 69984, while the sum is 40.

The square root of 3398629 is about 1843.5370894018. The cubic root of 3398629 is about 150.3492454788.

The spelling of 3398629 in words is "three million, three hundred ninety-eight thousand, six hundred twenty-nine".