3572128 has 48 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 1486080.

The previous prime is 3572119. The next prime is 3572131. The reversal of 3572128 is 8212753.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3572096 and 3572105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8073 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

Almost surely, 2^3572128 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 3572128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136832).

3572128 is an abundant number, since it is smaller than the sum of its proper divisors (4701536).

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

3572128 is a wasteful number, since it uses less digits than its factorization.

3572128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 477 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 3572128 is about 1890.0074073929. The cubic root of 3572128 is about 152.8653321127.

Subtracting from 3572128 its sum of digits (28), we obtain a square (3572100 = 1890²).

It can be divided in two parts, 357 and 2128, that added together give a triangular number (2485 = T₇₀).

The spelling of 3572128 in words is "three million, five hundred seventy-two thousand, one hundred twenty-eight".