2704381 has 2 divisors, whose sum is σ = 2704382. Its totient is φ = 2704380.

The previous prime is 2704357. The next prime is 2704391. The reversal of 2704381 is 1834072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 648025 = 1434^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2704381 - 2⁵ = 2704349 is a prime.

It is a super-2 number, since 2×2704381² = 14627353186322, which contains 22 as substring.

It is the 1645-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2704301) by changing a digit.

It is a nontrivial repunit in base 1644.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352190 + 1352191.

It is an arithmetic number, because the mean of its divisors is an integer number (1352191).

2^2704381 is an apocalyptic number.

It is an amenable number.

2704381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2704381 is an equidigital number, since it uses as much as digits as its factorization.

2704381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2704381 is about 1644.5002280328. The cubic root of 2704381 is about 139.3229383870.

The spelling of 2704381 in words is "two million, seven hundred four thousand, three hundred eighty-one".