2051698 has 16 divisors (see below), whose sum is σ = 3382560. Its totient is φ = 925600.

The previous prime is 2051689. The next prime is 2051701. The reversal of 2051698 is 8961502.

It is an unprimeable number.

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, 3678 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (211410).

2^2051698 is an apocalyptic number.

2051698 is a deficient number, since it is larger than the sum of its proper divisors (1330862).

2051698 is a wasteful number, since it uses less digits than its factorization.

2051698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2051698 is about 1432.3749509119. The cubic root of 2051698 is about 127.0684732124.

The spelling of 2051698 in words is "two million, fifty-one thousand, six hundred ninety-eight".