3438407 has 4 divisors (see below), whose sum is σ = 3929616. Its totient is φ = 2947200.

The previous prime is 3438397. The next prime is 3438419. The reversal of 3438407 is 7048343.

3438407 is nontrivially palindromic in base 4.

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 3438407 - 2¹² = 3434311 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 3438407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438007) 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, 245594 + ... + 245607.

It is an arithmetic number, because the mean of its divisors is an integer number (982404).

Almost surely, 2^3438407 is an apocalyptic number.

3438407 is a deficient number, since it is larger than the sum of its proper divisors (491209).

3438407 is an equidigital number, since it uses as much as digits as its factorization.

3438407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491208.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 3438407 is about 1854.2942053515. The cubic root of 3438407 is about 150.9335409189.

Subtracting from 3438407 its product of nonzero digits (8064), we obtain a palindrome (3430343).

It can be divided in two parts, 343 and 8407, that multiplied together give a triangular number (2883601 = T₂₄₀₁).

The spelling of 3438407 in words is "three million, four hundred thirty-eight thousand, four hundred seven".