1642332 has 12 divisors (see below), whose sum is σ = 3832136. Its totient is φ = 547440.

The previous prime is 1642327. The next prime is 1642339. The reversal of 1642332 is 2332461.

It is a happy number.

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 junction number, because it is equal to n+sod(n) for n = 1642299 and 1642308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642339) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68419 + ... + 68442.

2^1642332 is an apocalyptic number.

1642332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1642332 is an abundant number, since it is smaller than the sum of its proper divisors (2189804).

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

1642332 is a wasteful number, since it uses less digits than its factorization.

1642332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136868 (or 136866 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 1642332 is about 1281.5350170791. The cubic root of 1642332 is about 117.9832399829.

Adding to 1642332 its reverse (2332461), we get a palindrome (3974793).

The spelling of 1642332 in words is "one million, six hundred forty-two thousand, three hundred thirty-two".