3139788 has 48 divisors (see below), whose sum is σ = 7902720. Its totient is φ = 967104.

The previous prime is 3139771. The next prime is 3139789. The reversal of 3139788 is 8879313.

It is not an unprimeable number, because it can be changed into a prime (3139789) 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, 10570 + ... + 10862.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

Almost surely, 2^3139788 is an apocalyptic number.

3139788 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951360).

3139788 is an abundant number, since it is smaller than the sum of its proper divisors (4762932).

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

3139788 is a wasteful number, since it uses less digits than its factorization.

3139788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 3139788 is about 1771.9446943965. The cubic root of 3139788 is about 146.4311394241.

It can be divided in two parts, 313 and 9788, that added together give a palindrome (10101).

The spelling of 3139788 in words is "three million, one hundred thirty-nine thousand, seven hundred eighty-eight".