3200140 has 24 divisors (see below), whose sum is σ = 6849360. Its totient is φ = 1255488.

The previous prime is 3200137. The next prime is 3200149. The reversal of 3200140 is 410023.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (3200149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450 + ... + 2569.

It is an arithmetic number, because the mean of its divisors is an integer number (285390).

Almost surely, 2^3200140 is an apocalyptic number.

It is an amenable number.

3200140 is an abundant number, since it is smaller than the sum of its proper divisors (3649220).

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

3200140 is a wasteful number, since it uses less digits than its factorization.

3200140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 3200140 is about 1788.8935127614. The cubic root of 3200140 is about 147.3634089327.

Adding to 3200140 its reverse (410023), we get a palindrome (3610163).

It can be divided in two parts, 32001 and 40, that added together give a square (32041 = 179²).

The spelling of 3200140 in words is "three million, two hundred thousand, one hundred forty".