3550693 has 2 divisors, whose sum is σ = 3550694. Its totient is φ = 3550692.

The previous prime is 3550691. The next prime is 3550697. The reversal of 3550693 is 3960553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 667489 = 1698^2 + 817^2 .

It is a cyclic number.

It is not a de Polignac number, because 3550693 - 2¹ = 3550691 is a prime.

Together with 3550691, it forms a pair of twin primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3 + 5⁵ + 5⁹ + 0 + 6² + 9² + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3550691) 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 as a sum of consecutive naturals, namely, 1775346 + 1775347.

It is an arithmetic number, because the mean of its divisors is an integer number (1775347).

Almost surely, 2^3550693 is an apocalyptic number.

It is an amenable number.

3550693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550693 is an equidigital number, since it uses as much as digits as its factorization.

3550693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 3550693 is about 1884.3282622728. The cubic root of 3550693 is about 152.5589559740.

The spelling of 3550693 in words is "three million, five hundred fifty thousand, six hundred ninety-three".