3553812 has 18 divisors (see below), whose sum is σ = 8983338. Its totient is φ = 1184592.

The previous prime is 3553793. The next prime is 3553819. The reversal of 3553812 is 2183553.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 4356 = 1884^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3553819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49323 + ... + 49394.

Almost surely, 2^3553812 is an apocalyptic number.

It is an amenable number.

3553812 is an abundant number, since it is smaller than the sum of its proper divisors (5429526).

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

3553812 is a wasteful number, since it uses less digits than its factorization.

3553812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98727 (or 98722 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3553812 is about 1885.1556964877. The cubic root of 3553812 is about 152.6036131837.

The spelling of 3553812 in words is "three million, five hundred fifty-three thousand, eight hundred twelve".