3536421 has 16 divisors (see below), whose sum is σ = 5505024. Its totient is φ = 1977264.

The previous prime is 3536389. The next prime is 3536437. The reversal of 3536421 is 1246353.

It is a happy number.

It is not a de Polignac number, because 3536421 - 2⁵ = 3536389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3536391 and 3536400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3536441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (344064).

Almost surely, 2^3536421 is an apocalyptic number.

It is an amenable number.

3536421 is a deficient number, since it is larger than the sum of its proper divisors (1968603).

3536421 is a wasteful number, since it uses less digits than its factorization.

3536421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 2160, while the sum is 24.

The square root of 3536421 is about 1880.5374231852. The cubic root of 3536421 is about 152.3542780706.

The spelling of 3536421 in words is "three million, five hundred thirty-six thousand, four hundred twenty-one".