3572140 has 48 divisors (see below), whose sum is σ = 8820000. Its totient is φ = 1198080.

The previous prime is 3572137. The next prime is 3572167. The reversal of 3572140 is 412753.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2236 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (183750).

Almost surely, 2^3572140 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 3572140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4410000).

3572140 is an abundant number, since it is smaller than the sum of its proper divisors (5247860).

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

3572140 is a wasteful number, since it uses less digits than its factorization.

3572140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 3572140 is about 1890.0105819810. The cubic root of 3572140 is about 152.8655032881.

Adding to 3572140 its reverse (412753), we get a palindrome (3984893).

The spelling of 3572140 in words is "three million, five hundred seventy-two thousand, one hundred forty".