3533985 has 48 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 1489536.

The previous prime is 3533963. The next prime is 3533993. The reversal of 3533985 is 5893353.

It is not a de Polignac number, because 3533985 - 2⁵ = 3533953 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3664 + ... + 4526.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

Almost surely, 2^3533985 is an apocalyptic number.

3533985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3533985 is an abundant number, since it is smaller than the sum of its proper divisors (4013919).

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

3533985 is a wasteful number, since it uses less digits than its factorization.

3533985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 891 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 3533985 is about 1879.8896244195. The cubic root of 3533985 is about 152.3192878671.

The spelling of 3533985 in words is "three million, five hundred thirty-three thousand, nine hundred eighty-five".