3401138 has 16 divisors (see below), whose sum is σ = 5526360. Its totient is φ = 1560576.

The previous prime is 3401131. The next prime is 3401147. The reversal of 3401138 is 8311043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3374569 + 26569 = 1837^2 + 163^2 .

It is a Curzon number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3401131) 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, 6428 + ... + 6936.

Almost surely, 2^3401138 is an apocalyptic number.

3401138 is a deficient number, since it is larger than the sum of its proper divisors (2125222).

3401138 is a wasteful number, since it uses less digits than its factorization.

3401138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3401138 is about 1844.2174492180. The cubic root of 3401138 is about 150.3862342633.

The spelling of 3401138 in words is "three million, four hundred one thousand, one hundred thirty-eight".