1161632 has 24 divisors (see below), whose sum is σ = 2362752. Its totient is φ = 561600.

The previous prime is 1161619. The next prime is 1161637. The reversal of 1161632 is 2361611.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1161637) 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, 407 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (98448).

2^1161632 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 1161632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181376).

1161632 is an abundant number, since it is smaller than the sum of its proper divisors (1201120).

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

1161632 is a wasteful number, since it uses less digits than its factorization.

1161632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1204 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1161632 is about 1077.7903321147. The cubic root of 1161632 is about 105.1210093907.

The spelling of 1161632 in words is "one million, one hundred sixty-one thousand, six hundred thirty-two".