2102834 has 4 divisors (see below), whose sum is σ = 3154254. Its totient is φ = 1051416.

The previous prime is 2102831. The next prime is 2102839. The reversal of 2102834 is 4382012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 9025 = 1447^2 + 95^2 .

It is a super-3 number, since 3×2102834³ = 27895633324692689112, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525707 + ... + 525710.

2^2102834 is an apocalyptic number.

2102834 is a deficient number, since it is larger than the sum of its proper divisors (1051420).

2102834 is a wasteful number, since it uses less digits than its factorization.

2102834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051419.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2102834 is about 1450.1151678401. The cubic root of 2102834 is about 128.1154963405.

Adding to 2102834 its reverse (4382012), we get a palindrome (6484846).

The spelling of 2102834 in words is "two million, one hundred two thousand, eight hundred thirty-four".