3438623 has 4 divisors (see below), whose sum is σ = 3470280. Its totient is φ = 3406968.

The previous prime is 3438593. The next prime is 3438637. The reversal of 3438623 is 3268343.

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 3438623 - 2⁸ = 3438367 is a prime.

It is a super-2 number, since 2×3438623² = 23648256272258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438683) 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, 15665 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (867570).

Almost surely, 2^3438623 is an apocalyptic number.

3438623 is a deficient number, since it is larger than the sum of its proper divisors (31657).

3438623 is a wasteful number, since it uses less digits than its factorization.

3438623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31656.

The product of its digits is 10368, while the sum is 29.

The square root of 3438623 is about 1854.3524476215. The cubic root of 3438623 is about 150.9367013905.

The spelling of 3438623 in words is "three million, four hundred thirty-eight thousand, six hundred twenty-three".