3798738 has 40 divisors (see below), whose sum is σ = 8624880. Its totient is φ = 1249560.

The previous prime is 3798737. The next prime is 3798757. The reversal of 3798738 is 8378973.

Its product of digits (254016) is a multiple of the sum of its prime factors (324).

It is a junction number, because it is equal to n+sod(n) for n = 3798693 and 3798702.

It is not an unprimeable number, because it can be changed into a prime (3798733) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21133 + ... + 21311.

It is an arithmetic number, because the mean of its divisors is an integer number (215622).

Almost surely, 2^3798738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3798738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312440).

3798738 is an abundant number, since it is smaller than the sum of its proper divisors (4826142).

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

3798738 is a wasteful number, since it uses less digits than its factorization.

3798738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 315 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 3798738 is about 1949.0351459119. The cubic root of 3798738 is about 156.0317982517.

It can be divided in two parts, 37987 and 38, that added together give a square (38025 = 195²).

The spelling of 3798738 in words is "three million, seven hundred ninety-eight thousand, seven hundred thirty-eight".