2081402 has 16 divisors (see below), whose sum is σ = 3283200. Its totient is φ = 988320.

The previous prime is 2081383. The next prime is 2081407. The reversal of 2081402 is 2041802.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2081407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374 + ... + 3942.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

2^2081402 is an apocalyptic number.

2081402 is a deficient number, since it is larger than the sum of its proper divisors (1201798).

2081402 is a wasteful number, since it uses less digits than its factorization.

2081402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2081402 is about 1442.7064843550. The cubic root of 2081402 is about 127.6787598916.

The spelling of 2081402 in words is "two million, eighty-one thousand, four hundred two".