1632006 has 24 divisors (see below), whose sum is σ = 3588624. Its totient is φ = 535920.

The previous prime is 1631989. The next prime is 1632013. The reversal of 1632006 is 6002361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1632006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (149526).

2^1632006 is an apocalyptic number.

It is a pronic number, being equal to 1277×1278.

1632006 is an abundant number, since it is smaller than the sum of its proper divisors (1956618).

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

1632006 is a wasteful number, since it uses less digits than its factorization.

1632006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1632006 is about 1277.4999021526. The cubic root of 1632006 is about 117.7354506210.

Adding to 1632006 its reverse (6002361), we get a palindrome (7634367).

The spelling of 1632006 in words is "one million, six hundred thirty-two thousand, six".