1634081 has 6 divisors (see below), whose sum is σ = 1708770. Its totient is φ = 1562528.

The previous prime is 1634071. The next prime is 1634089. The reversal of 1634081 is 1804361.

It can be written as a sum of positive squares in only one way, i.e., 1600225 + 33856 = 1265^2 + 184^2 .

It is not a de Polignac number, because 1634081 - 2¹⁰ = 1633057 is a prime.

It is a super-2 number, since 2×1634081² = 5340441429122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1634089) 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 5 ways as a sum of consecutive naturals, for example, 1016 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (284795).

2^1634081 is an apocalyptic number.

It is an amenable number.

1634081 is a deficient number, since it is larger than the sum of its proper divisors (74689).

1634081 is an equidigital number, since it uses as much as digits as its factorization.

1634081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1634081 is about 1278.3117773063. The cubic root of 1634081 is about 117.7853273973.

The spelling of 1634081 in words is "one million, six hundred thirty-four thousand, eighty-one".