3531428 has 24 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 1694304.

The previous prime is 3531413. The next prime is 3531433. The reversal of 3531428 is 8241353.

3531428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3531397 and 3531406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15725 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

Almost surely, 2^3531428 is an apocalyptic number.

It is an amenable number.

3531428 is a deficient number, since it is larger than the sum of its proper divisors (2903644).

3531428 is a wasteful number, since it uses less digits than its factorization.

3531428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 3531428 is about 1879.2094082353. The cubic root of 3531428 is about 152.2825423431.

The spelling of 3531428 in words is "three million, five hundred thirty-one thousand, four hundred twenty-eight".