3933438 has 16 divisors (see below), whose sum is σ = 7898256. Its totient is φ = 1305920.

The previous prime is 3933431. The next prime is 3933439. The reversal of 3933438 is 8343393.

It is a junction number, because it is equal to n+sod(n) for n = 3933399 and 3933408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3933431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (493641).

Almost surely, 2^3933438 is an apocalyptic number.

3933438 is an abundant number, since it is smaller than the sum of its proper divisors (3964818).

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

3933438 is a wasteful number, since it uses less digits than its factorization.

3933438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619.

The product of its digits is 23328, while the sum is 33.

The square root of 3933438 is about 1983.2896913966. The cubic root of 3933438 is about 157.8546706176.

It can be divided in two parts, 3933 and 438, that added together give a triangular number (4371 = T₉₃).

The spelling of 3933438 in words is "three million, nine hundred thirty-three thousand, four hundred thirty-eight".