4380401 has 2 divisors, whose sum is σ = 4380402. Its totient is φ = 4380400.

The previous prime is 4380391. The next prime is 4380403. The reversal of 4380401 is 1040834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3996001 + 384400 = 1999^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 4380401 - 2²² = 186097 is a prime.

Together with 4380403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4380403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190200 + 2190201.

It is an arithmetic number, because the mean of its divisors is an integer number (2190201).

Almost surely, 2^4380401 is an apocalyptic number.

It is an amenable number.

4380401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4380401 is an equidigital number, since it uses as much as digits as its factorization.

4380401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4380401 is about 2092.9407540587. The cubic root of 4380401 is about 163.6205908011.

The spelling of 4380401 in words is "four million, three hundred eighty thousand, four hundred one".