3879738 has 32 divisors (see below), whose sum is σ = 8737920. Its totient is φ = 1291788.

The previous prime is 3879737. The next prime is 3879739. The reversal of 3879738 is 8379783.

It is an interprime number because it is at equal distance from previous prime (3879737) and next prime (3879739).

It is a junction number, because it is equal to n+sod(n) for n = 3879693 and 3879702.

It is not an unprimeable number, because it can be changed into a prime (3879737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3931 + ... + 4817.

It is an arithmetic number, because the mean of its divisors is an integer number (273060).

Almost surely, 2^3879738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3879738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4368960).

3879738 is an abundant number, since it is smaller than the sum of its proper divisors (4858182).

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

3879738 is an frugal number, since it uses more digits than its factorization.

3879738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 892 counting only the distinct ones).

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

The square root of 3879738 is about 1969.7050540627. The cubic root of 3879738 is about 157.1330231548.

Adding to 3879738 its sum of digits (45), we get a palindrome (3879783).

The spelling of 3879738 in words is "three million, eight hundred seventy-nine thousand, seven hundred thirty-eight".