3402138 has 16 divisors (see below), whose sum is σ = 6822720. Its totient is φ = 1130976.

The previous prime is 3402131. The next prime is 3402143. The reversal of 3402138 is 8312043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3402131) 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 7 ways as a sum of consecutive naturals, for example, 3243 + ... + 4161.

It is an arithmetic number, because the mean of its divisors is an integer number (426420).

Almost surely, 2^3402138 is an apocalyptic number.

3402138 is an abundant number, since it is smaller than the sum of its proper divisors (3420582).

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

3402138 is a wasteful number, since it uses less digits than its factorization.

3402138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3402138 is about 1844.4885469962. The cubic root of 3402138 is about 150.4009716344.

The spelling of 3402138 in words is "three million, four hundred two thousand, one hundred thirty-eight".