1641332 has 36 divisors (see below), whose sum is σ = 3630816. Its totient is φ = 630720.

The previous prime is 1641329. The next prime is 1641359. The reversal of 1641332 is 2331461.

It is a d-powerful number, because it can be written as 1 + 6³ + 4¹⁰ + 1 + 3¹⁰ + 3¹² + 2¹¹ .

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, 22448 + ... + 22520.

It is an arithmetic number, because the mean of its divisors is an integer number (100856).

2^1641332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1815408).

1641332 is an abundant number, since it is smaller than the sum of its proper divisors (1989484).

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

1641332 is a wasteful number, since it uses less digits than its factorization.

1641332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 93 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1641332 is about 1281.1448005592. The cubic root of 1641332 is about 117.9592888382.

Adding to 1641332 its reverse (2331461), we get a palindrome (3972793).

The spelling of 1641332 in words is "one million, six hundred forty-one thousand, three hundred thirty-two".