3800551 has 4 divisors (see below), whose sum is σ = 4000600. Its totient is φ = 3600504.

The previous prime is 3800549. The next prime is 3800579. The reversal of 3800551 is 1550083.

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

It is a cyclic number.

It is not a de Polignac number, because 3800551 - 2¹ = 3800549 is a prime.

It is the 1950-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800501) by changing a digit.

It is a nontrivial repunit in base 1949.

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, 99996 + ... + 100033.

It is an arithmetic number, because the mean of its divisors is an integer number (1000150).

Almost surely, 2^3800551 is an apocalyptic number.

3800551 is a deficient number, since it is larger than the sum of its proper divisors (200049).

3800551 is a wasteful number, since it uses less digits than its factorization.

3800551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200048.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3800551 is about 1949.5001923570. The cubic root of 3800551 is about 156.0566170782.

The spelling of 3800551 in words is "three million, eight hundred thousand, five hundred fifty-one".