43602 has 24 divisors (see below), whose sum is σ = 96624. Its totient is φ = 13104.

The previous prime is 43597. The next prime is 43607. The reversal of 43602 is 20634.

It is an interprime number because it is at equal distance from previous prime (43597) and next prime (43607).

It is a super-2 number, since 2×43602² = 3802268808, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (43607) by changing a digit.

43602 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 11 ways as a sum of consecutive naturals, for example, 993 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (4026).

2⁴³⁶⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48312).

43602 is an abundant number, since it is smaller than the sum of its proper divisors (53022).

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

43602 is a wasteful number, since it uses less digits than its factorization.

43602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43602 is about 208.8109192547. The cubic root of 43602 is about 35.1967154304.

The spelling of 43602 in words is "forty-three thousand, six hundred two".