1641324 has 12 divisors (see below), whose sum is σ = 3829784. Its totient is φ = 547104.

The previous prime is 1641323. The next prime is 1641329. The reversal of 1641324 is 4231461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1641324.

It is not an unprimeable number, because it can be changed into a prime (1641323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68377 + ... + 68400.

2^1641324 is an apocalyptic number.

It is an amenable number.

1641324 is an abundant number, since it is smaller than the sum of its proper divisors (2188460).

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

1641324 is a wasteful number, since it uses less digits than its factorization.

1641324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136784 (or 136782 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1641324 is about 1281.1416783479. The cubic root of 1641324 is about 117.9590971898.

Adding to 1641324 its reverse (4231461), we get a palindrome (5872785).

The spelling of 1641324 in words is "one million, six hundred forty-one thousand, three hundred twenty-four".