3401406 has 16 divisors (see below), whose sum is σ = 7558800. Its totient is φ = 1133784.

The previous prime is 3401393. The next prime is 3401417. The reversal of 3401406 is 6041043.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31441 + ... + 31548.

It is an arithmetic number, because the mean of its divisors is an integer number (472425).

Almost surely, 2^3401406 is an apocalyptic number.

3401406 is an abundant number, since it is smaller than the sum of its proper divisors (4157394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3401406 is a wasteful number, since it uses less digits than its factorization.

3401406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63000 (or 62994 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3401406 is about 1844.2901073313. The cubic root of 3401406 is about 150.3901841621.

Adding to 3401406 its reverse (6041043), we get a palindrome (9442449).

The spelling of 3401406 in words is "three million, four hundred one thousand, four hundred six".