4381901 has 4 divisors (see below), whose sum is σ = 4389600. Its totient is φ = 4374204.

The previous prime is 4381879. The next prime is 4381921. The reversal of 4381901 is 1091834.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1091834 = 2 ⋅545917.

It is a cyclic number.

It is not a de Polignac number, because 4381901 - 2²² = 187597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381921) 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, 2921 + ... + 4158.

It is an arithmetic number, because the mean of its divisors is an integer number (1097400).

Almost surely, 2^4381901 is an apocalyptic number.

It is an amenable number.

4381901 is a deficient number, since it is larger than the sum of its proper divisors (7699).

4381901 is an equidigital number, since it uses as much as digits as its factorization.

4381901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4381901 is about 2093.2990708449. The cubic root of 4381901 is about 163.6392651094.

The spelling of 4381901 in words is "four million, three hundred eighty-one thousand, nine hundred one".