3438399 has 4 divisors (see below), whose sum is σ = 4584536. Its totient is φ = 2292264.

The previous prime is 3438397. The next prime is 3438419. The reversal of 3438399 is 9938343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9938343 = 3 ⋅3312781.

It is not a de Polignac number, because 3438399 - 2¹ = 3438397 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438397) 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, 573064 + ... + 573069.

It is an arithmetic number, because the mean of its divisors is an integer number (1146134).

Almost surely, 2^3438399 is an apocalyptic number.

3438399 is a deficient number, since it is larger than the sum of its proper divisors (1146137).

3438399 is a wasteful number, since it uses less digits than its factorization.

3438399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146136.

The product of its digits is 69984, while the sum is 39.

The square root of 3438399 is about 1854.2920481952. The cubic root of 3438399 is about 150.9334238619.

The spelling of 3438399 in words is "three million, four hundred thirty-eight thousand, three hundred ninety-nine".