1993602 has 32 divisors (see below), whose sum is σ = 4374720. Its totient is φ = 601920.

The previous prime is 1993601. The next prime is 1993603. The reversal of 1993602 is 2063991.

It is an interprime number because it is at equal distance from previous prime (1993601) and next prime (1993603).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1993602.

It is not an unprimeable number, because it can be changed into a prime (1993601) 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 15 ways as a sum of consecutive naturals, for example, 4549 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (136710).

2^1993602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1993602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187360).

1993602 is an abundant number, since it is smaller than the sum of its proper divisors (2381118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1993602 is a wasteful number, since it uses less digits than its factorization.

1993602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1993602 is about 1411.9497158185. The cubic root of 1993602 is about 125.8576118916.

The spelling of 1993602 in words is "one million, nine hundred ninety-three thousand, six hundred two".