3139400 has 48 divisors (see below), whose sum is σ = 7968240. Its totient is φ = 1140800.

The previous prime is 3139399. The next prime is 3139403. The reversal of 3139400 is 49313.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (3139403) 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 11 ways as a sum of consecutive naturals, for example, 1487 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (166005).

Almost surely, 2^3139400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3984120).

3139400 is an abundant number, since it is smaller than the sum of its proper divisors (4828840).

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

3139400 is a wasteful number, since it uses less digits than its factorization.

3139400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3139400 is about 1771.8352067842. The cubic root of 3139400 is about 146.4251074221.

The spelling of 3139400 in words is "three million, one hundred thirty-nine thousand, four hundred".