1828281 has 32 divisors (see below), whose sum is σ = 3098368. Its totient is φ = 933120.

The previous prime is 1828279. The next prime is 1828283.

1828281 is nontrivially palindromic in base 9 and base 10.

It is an interprime number because it is at equal distance from previous prime (1828279) and next prime (1828283).

It is not a de Polignac number, because 1828281 - 2¹ = 1828279 is a prime.

It is a super-3 number, since 3×1828281³ = 18333698821068936123, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1828283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10011 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (96824).

2^1828281 is an apocalyptic number.

It is an amenable number.

1828281 is a deficient number, since it is larger than the sum of its proper divisors (1270087).

1828281 is a wasteful number, since it uses less digits than its factorization.

1828281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its digits is 2048, while the sum is 30.

The square root of 1828281 is about 1352.1394158888. The cubic root of 1828281 is about 122.2778090892.

The spelling of 1828281 in words is "one million, eight hundred twenty-eight thousand, two hundred eighty-one".