1031632 has 40 divisors (see below), whose sum is σ = 2337152. Its totient is φ = 432000.

The previous prime is 1031629. The next prime is 1031633. The reversal of 1031632 is 2361301.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6757 + ... + 6907.

2^1031632 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 1031632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168576).

1031632 is an abundant number, since it is smaller than the sum of its proper divisors (1305520).

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

1031632 is a wasteful number, since it uses less digits than its factorization.

1031632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1031632 is about 1015.6928669632. The cubic root of 1031632 is about 101.0434737528.

Adding to 1031632 its reverse (2361301), we get a palindrome (3392933).

The spelling of 1031632 in words is "one million, thirty-one thousand, six hundred thirty-two".