4048381 has 8 divisors (see below), whose sum is σ = 4173624. Its totient is φ = 3924480.

The previous prime is 4048339. The next prime is 4048393. The reversal of 4048381 is 1838404.

It can be written as a sum of positive squares in 4 ways, for example, as 280900 + 3767481 = 530^2 + 1941^2 .

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 4048381 - 2¹⁹ = 3524093 is a prime.

It is a super-2 number, since 2×4048381² = 32778777442322, 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 (4048481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11845 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (521703).

Almost surely, 2^4048381 is an apocalyptic number.

4048381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4048381 is a deficient number, since it is larger than the sum of its proper divisors (125243).

4048381 is a wasteful number, since it uses less digits than its factorization.

4048381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 4048381 is about 2012.0588957583. The cubic root of 4048381 is about 159.3775424944.

The spelling of 4048381 in words is "four million, forty-eight thousand, three hundred eighty-one".