3800391 has 24 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 2142000.

The previous prime is 3800387. The next prime is 3800393. The reversal of 3800391 is 1930083.

It is not a de Polignac number, because 3800391 - 2² = 3800387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15016 + ... + 15266.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^3800391 is an apocalyptic number.

3800391 is a deficient number, since it is larger than the sum of its proper divisors (2175033).

3800391 is a wasteful number, since it uses less digits than its factorization.

3800391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3800391 is about 1949.4591557660. The cubic root of 3800391 is about 156.0544270967.

The spelling of 3800391 in words is "three million, eight hundred thousand, three hundred ninety-one".