3400443 has 6 divisors (see below), whose sum is σ = 4911764. Its totient is φ = 2266956.

The previous prime is 3400409. The next prime is 3400457. The reversal of 3400443 is 3440043.

It is not a de Polignac number, because 3400443 - 2⁶ = 3400379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3400043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188905 + ... + 188922.

Almost surely, 2^3400443 is an apocalyptic number.

3400443 is a deficient number, since it is larger than the sum of its proper divisors (1511321).

3400443 is a wasteful number, since it uses less digits than its factorization.

3400443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377833 (or 377830 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3400443 is about 1844.0290127869. The cubic root of 3400443 is about 150.3759900889.

Adding to 3400443 its reverse (3440043), we get a palindrome (6840486).

The spelling of 3400443 in words is "three million, four hundred thousand, four hundred forty-three".