3578381 has 8 divisors (see below), whose sum is σ = 3891960. Its totient is φ = 3276288.

The previous prime is 3578359. The next prime is 3578383. The reversal of 3578381 is 1838753.

3578381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2706025 + 872356 = 1645^2 + 934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3578381 - 2¹⁴ = 3561997 is a prime.

It is a super-2 number, since 2×3578381² = 25609621162322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3578383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (486495).

Almost surely, 2^3578381 is an apocalyptic number.

It is an amenable number.

3578381 is a deficient number, since it is larger than the sum of its proper divisors (313579).

3578381 is a wasteful number, since it uses less digits than its factorization.

3578381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743.

The product of its digits is 20160, while the sum is 35.

The square root of 3578381 is about 1891.6609104171. The cubic root of 3578381 is about 152.9544768947.

The spelling of 3578381 in words is "three million, five hundred seventy-eight thousand, three hundred eighty-one".