3571428 has 96 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 921600.

The previous prime is 3571427. The next prime is 3571429. The reversal of 3571428 is 8241753.

3571428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3571427) and next prime (3571429).

It is a junction number, because it is equal to n+sod(n) for n = 3571395 and 3571404.

It is not an unprimeable number, because it can be changed into a prime (3571423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58518 + ... + 58578.

It is an arithmetic number, because the mean of its divisors is an integer number (109368).

Almost surely, 2^3571428 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 3571428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

3571428 is an abundant number, since it is smaller than the sum of its proper divisors (6927900).

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

3571428 is a wasteful number, since it uses less digits than its factorization.

3571428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 131 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 3571428 is about 1889.8222138603. The cubic root of 3571428 is about 152.8553462142.

It can be divided in two parts, 357 and 1428, that multiplied together give a square (509796 = 714²).

The spelling of 3571428 in words is "three million, five hundred seventy-one thousand, four hundred twenty-eight".