611632 has 40 divisors (see below), whose sum is σ = 1396736. Its totient is φ = 254016.

The previous prime is 611621. The next prime is 611641. The reversal of 611632 is 236116.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4753 + ... + 4879.

2⁶¹¹⁶³² 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 611632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698368).

611632 is an abundant number, since it is smaller than the sum of its proper divisors (785104).

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

611632 is a wasteful number, since it uses less digits than its factorization.

611632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 179 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 611632 is about 782.0690506599. The cubic root of 611632 is about 84.8848267120.

Adding to 611632 its reverse (236116), we get a palindrome (847748).

The spelling of 611632 in words is "six hundred eleven thousand, six hundred thirty-two".