3400406 has 8 divisors (see below), whose sum is σ = 5187240. Its totient is φ = 1671328.

The previous prime is 3400399. The next prime is 3400409. The reversal of 3400406 is 6040043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400409) 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, 14291 + ... + 14526.

It is an arithmetic number, because the mean of its divisors is an integer number (648405).

Almost surely, 2^3400406 is an apocalyptic number.

3400406 is a deficient number, since it is larger than the sum of its proper divisors (1786834).

3400406 is a wasteful number, since it uses less digits than its factorization.

3400406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28878.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3400406 is about 1844.0189803795. The cubic root of 3400406 is about 150.3754446765.

Adding to 3400406 its reverse (6040043), we get a palindrome (9440449).

The spelling of 3400406 in words is "three million, four hundred thousand, four hundred six".