3705138 has 24 divisors (see below), whose sum is σ = 8216208. Its totient is φ = 1206072.

The previous prime is 3705137. The next prime is 3705161. The reversal of 3705138 is 8315073.

It is not an unprimeable number, because it can be changed into a prime (3705137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620 + ... + 3167.

It is an arithmetic number, because the mean of its divisors is an integer number (342342).

Almost surely, 2^3705138 is an apocalyptic number.

3705138 is an abundant number, since it is smaller than the sum of its proper divisors (4511070).

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

3705138 is a wasteful number, since it uses less digits than its factorization.

3705138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4838 (or 4835 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3705138 is about 1924.8735023372. The cubic root of 3705138 is about 154.7395974505.

The spelling of 3705138 in words is "three million, seven hundred five thousand, one hundred thirty-eight".