2001598 has 16 divisors (see below), whose sum is σ = 3195936. Its totient is φ = 938080.

The previous prime is 2001583. The next prime is 2001611. The reversal of 2001598 is 8951002.

It is a congruent number.

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, 2028 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (199746).

2^2001598 is an apocalyptic number.

2001598 is a deficient number, since it is larger than the sum of its proper divisors (1194338).

2001598 is a wasteful number, since it uses less digits than its factorization.

2001598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2001598 is about 1414.7784278819. The cubic root of 2001598 is about 126.0256519537.

It can be divided in two parts, 200 and 1598, that multiplied together give a triangular number (319600 = T₇₉₉).

The spelling of 2001598 in words is "two million, one thousand, five hundred ninety-eight".