1662002 has 16 divisors (see below), whose sum is σ = 2578560. Its totient is φ = 803088.

The previous prime is 1661983. The next prime is 1662007. The reversal of 1662002 is 2002661.

It is not an unprimeable number, because it can be changed into a prime (1662007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10508 + ... + 10664.

It is an arithmetic number, because the mean of its divisors is an integer number (161160).

2^1662002 is an apocalyptic number.

1662002 is a deficient number, since it is larger than the sum of its proper divisors (916558).

1662002 is a wasteful number, since it uses less digits than its factorization.

1662002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1662002 is about 1289.1865652418. The cubic root of 1662002 is about 118.4523953182.

Adding to 1662002 its reverse (2002661), we get a palindrome (3664663).

The spelling of 1662002 in words is "one million, six hundred sixty-two thousand, two".