3551956 has 6 divisors (see below), whose sum is σ = 6215930. Its totient is φ = 1775976.

The previous prime is 3551941. The next prime is 3551957. The reversal of 3551956 is 6591553.

3551956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 2500 = 1884^2 + 50^2 .

It is a d-powerful number, because it can be written as 3¹³ + 5 + 5⁵ + 1 + 9² + 5⁹ + 6⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551957) by changing a digit.

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 as a sum of consecutive naturals, namely, 443991 + ... + 443998.

Almost surely, 2^3551956 is an apocalyptic number.

It is an amenable number.

3551956 is a deficient number, since it is larger than the sum of its proper divisors (2663974).

3551956 is a wasteful number, since it uses less digits than its factorization.

3551956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887993 (or 887991 counting only the distinct ones).

The product of its digits is 20250, while the sum is 34.

The square root of 3551956 is about 1884.6633651663. The cubic root of 3551956 is about 152.5770425015.

The spelling of 3551956 in words is "three million, five hundred fifty-one thousand, nine hundred fifty-six".