3840901 has 4 divisors (see below), whose sum is σ = 3889600. Its totient is φ = 3792204.

The previous prime is 3840853. The next prime is 3840911. The reversal of 3840901 is 1090483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3840901 - 2¹¹ = 3838853 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 (3840911) 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, 24231 + ... + 24388.

It is an arithmetic number, because the mean of its divisors is an integer number (972400).

Almost surely, 2^3840901 is an apocalyptic number.

3840901 is the 1240-th centered pentagonal number.

It is an amenable number.

3840901 is a deficient number, since it is larger than the sum of its proper divisors (48699).

3840901 is an equidigital number, since it uses as much as digits as its factorization.

3840901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48698.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3840901 is about 1959.8216755613. The cubic root of 3840901 is about 156.6069522436.

The spelling of 3840901 in words is "three million, eight hundred forty thousand, nine hundred one".