1602985 has 16 divisors (see below), whose sum is σ = 2052864. Its totient is φ = 1198912.

The previous prime is 1602961. The next prime is 1603009. The reversal of 1602985 is 5892061.

It is an interprime number because it is at equal distance from previous prime (1602961) and next prime (1603009).

It is a cyclic number.

It is not a de Polignac number, because 1602985 - 2⁷ = 1602857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5964 + ... + 6226.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2^1602985 is an apocalyptic number.

It is an amenable number.

1602985 is a deficient number, since it is larger than the sum of its proper divisors (449879).

1602985 is a wasteful number, since it uses less digits than its factorization.

1602985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

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

The square root of 1602985 is about 1266.0904391077. The cubic root of 1602985 is about 117.0333992845.

The spelling of 1602985 in words is "one million, six hundred two thousand, nine hundred eighty-five".