3401405 has 16 divisors (see below), whose sum is σ = 4702080. Its totient is φ = 2313792.

The previous prime is 3401393. The next prime is 3401417. The reversal of 3401405 is 5041043.

It is an interprime number because it is at equal distance from previous prime (3401393) and next prime (3401417).

It is a cyclic number.

It is not a de Polignac number, because 3401405 - 2¹² = 3397309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5186 + ... + 5804.

It is an arithmetic number, because the mean of its divisors is an integer number (293880).

Almost surely, 2^3401405 is an apocalyptic number.

3401405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3401405 is a deficient number, since it is larger than the sum of its proper divisors (1300675).

3401405 is a wasteful number, since it uses less digits than its factorization.

3401405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3401405 is about 1844.2898362242. The cubic root of 3401405 is about 150.3901694240.

Adding to 3401405 its reverse (5041043), we get a palindrome (8442448).

The spelling of 3401405 in words is "three million, four hundred one thousand, four hundred five".