1332638 has 8 divisors (see below), whose sum is σ = 2041632. Its totient is φ = 652096.

The previous prime is 1332631. The next prime is 1332649. The reversal of 1332638 is 8362331.

1332638 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332631) 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, 6995 + ... + 7182.

It is an arithmetic number, because the mean of its divisors is an integer number (255204).

2^1332638 is an apocalyptic number.

1332638 is a deficient number, since it is larger than the sum of its proper divisors (708994).

1332638 is a wasteful number, since it uses less digits than its factorization.

1332638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226.

The product of its digits is 2592, while the sum is 26.

The square root of 1332638 is about 1154.3994109493. The cubic root of 1332638 is about 110.0451054689.

Adding to 1332638 its reverse (8362331), we get a palindrome (9694969).

The spelling of 1332638 in words is "one million, three hundred thirty-two thousand, six hundred thirty-eight".