8021602 has 4 divisors (see below), whose sum is σ = 12032406. Its totient is φ = 4010800.

The previous prime is 8021597. The next prime is 8021627. The reversal of 8021602 is 2061208.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 844561 = 2679^2 + 919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8021602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005399 + ... + 2005402.

Almost surely, 2^8021602 is an apocalyptic number.

8021602 is a deficient number, since it is larger than the sum of its proper divisors (4010804).

8021602 is a wasteful number, since it uses less digits than its factorization.

8021602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010803.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 8021602 is about 2832.2432805111. The cubic root of 8021602 is about 200.1798548793.

The spelling of 8021602 in words is "eight million, twenty-one thousand, six hundred two".