3555493 has 4 divisors (see below), whose sum is σ = 3568428. Its totient is φ = 3542560.

The previous prime is 3555469. The next prime is 3555509. The reversal of 3555493 is 3945553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3945553 = 41 ⋅96233.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 2696164 = 927^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3555493 - 2⁹ = 3554981 is a prime.

It is a Duffinian number.

3555493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3555403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (892107).

Almost surely, 2^3555493 is an apocalyptic number.

It is an amenable number.

3555493 is a deficient number, since it is larger than the sum of its proper divisors (12935).

3555493 is a wasteful number, since it uses less digits than its factorization.

3555493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934.

The product of its digits is 40500, while the sum is 34.

The square root of 3555493 is about 1885.6014955446. The cubic root of 3555493 is about 152.6276705656.

The spelling of 3555493 in words is "three million, five hundred fifty-five thousand, four hundred ninety-three".