3402905 has 8 divisors (see below), whose sum is σ = 4454784. Its totient is φ = 2474800.

The previous prime is 3402899. The next prime is 3402911. The reversal of 3402905 is 5092043.

It is an interprime number because it is at equal distance from previous prime (3402899) and next prime (3402911).

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

It is not a de Polignac number, because 3402905 - 2⁸ = 3402649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30881 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (556848).

Almost surely, 2^3402905 is an apocalyptic number.

It is an amenable number.

3402905 is a deficient number, since it is larger than the sum of its proper divisors (1051879).

3402905 is a wasteful number, since it uses less digits than its factorization.

3402905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61887.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3402905 is about 1844.6964519942. The cubic root of 3402905 is about 150.4122732411.

Adding to 3402905 its reverse (5092043), we get a palindrome (8494948).

The spelling of 3402905 in words is "three million, four hundred two thousand, nine hundred five".