4379381 has 2 divisors, whose sum is σ = 4379382. Its totient is φ = 4379380.

The previous prime is 4379371. The next prime is 4379399. The reversal of 4379381 is 1839734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 654481 = 1930^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4379381 - 2¹⁴ = 4362997 is a prime.

It is a super-2 number, since 2×4379381² = 38357955886322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4379311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189690 + 2189691.

It is an arithmetic number, because the mean of its divisors is an integer number (2189691).

Almost surely, 2^4379381 is an apocalyptic number.

It is an amenable number.

4379381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4379381 is an equidigital number, since it uses as much as digits as its factorization.

4379381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 4379381 is about 2092.6970636000. The cubic root of 4379381 is about 163.6078898362.

The spelling of 4379381 in words is "four million, three hundred seventy-nine thousand, three hundred eighty-one".