3933138 has 32 divisors (see below), whose sum is σ = 8957952. Its totient is φ = 1139600.

The previous prime is 3933131. The next prime is 3933143. The reversal of 3933138 is 8313393.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3933131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (279936).

Almost surely, 2^3933138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3933138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4478976).

3933138 is an abundant number, since it is smaller than the sum of its proper divisors (5024814).

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

3933138 is a wasteful number, since it uses less digits than its factorization.

3933138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630.

The product of its digits is 5832, while the sum is 30.

The square root of 3933138 is about 1983.2140580381. The cubic root of 3933138 is about 157.8506573680.

The spelling of 3933138 in words is "three million, nine hundred thirty-three thousand, one hundred thirty-eight".