3738438 has 48 divisors (see below), whose sum is σ = 8985600. Its totient is φ = 1113840.

The previous prime is 3738437. The next prime is 3738451. The reversal of 3738438 is 8348373.

It is a d-powerful number, because it can be written as 3¹² + 7⁵ + 3¹³ + 8 + 4⁵ + 3¹³ + 8³ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15523 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

Almost surely, 2^3738438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3738438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4492800).

3738438 is an abundant number, since it is smaller than the sum of its proper divisors (5247162).

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

3738438 is a wasteful number, since it uses less digits than its factorization.

3738438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 334 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3738438 is about 1933.5040729205. The cubic root of 3738438 is about 155.2017905965.

The spelling of 3738438 in words is "three million, seven hundred thirty-eight thousand, four hundred thirty-eight".