3553642 has 4 divisors (see below), whose sum is σ = 5330466. Its totient is φ = 1776820.

The previous prime is 3553601. The next prime is 3553673. The reversal of 3553642 is 2463553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 1540081 = 1419^2 + 1241^2 .

It is a d-powerful number, because it can be written as 3² + 5 + 5⁹ + 3¹³ + 6² + 4⁶ + 2¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3553642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 888409 + ... + 888412.

Almost surely, 2^3553642 is an apocalyptic number.

3553642 is a deficient number, since it is larger than the sum of its proper divisors (1776824).

3553642 is a wasteful number, since it uses less digits than its factorization.

3553642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776823.

The product of its digits is 10800, while the sum is 28.

The square root of 3553642 is about 1885.1106068345. The cubic root of 3553642 is about 152.6011798316.

The spelling of 3553642 in words is "three million, five hundred fifty-three thousand, six hundred forty-two".