3800557 has 4 divisors (see below), whose sum is σ = 3839836. Its totient is φ = 3761280.

The previous prime is 3800549. The next prime is 3800579. The reversal of 3800557 is 7550083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 1179396 = 1619^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800557 - 2³ = 3800549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19494 + ... + 19687.

It is an arithmetic number, because the mean of its divisors is an integer number (959959).

Almost surely, 2^3800557 is an apocalyptic number.

It is an amenable number.

3800557 is a deficient number, since it is larger than the sum of its proper divisors (39279).

3800557 is an equidigital number, since it uses as much as digits as its factorization.

3800557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39278.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 3800557 is about 1949.5017312124. The cubic root of 3800557 is about 156.0566992013.

The spelling of 3800557 in words is "three million, eight hundred thousand, five hundred fifty-seven".