1905632 has 48 divisors (see below), whose sum is σ = 4136832. Its totient is φ = 860160.

The previous prime is 1905613. The next prime is 1905653. The reversal of 1905632 is 2365091.

1905632 is nontrivially palindromic in base 15.

It is a congruent number.

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, 16808 + ... + 16920.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2^1905632 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 1905632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2068416).

1905632 is an abundant number, since it is smaller than the sum of its proper divisors (2231200).

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

1905632 is a wasteful number, since it uses less digits than its factorization.

1905632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1905632 is about 1380.4463046421. The cubic root of 1905632 is about 123.9784908929.

The spelling of 1905632 in words is "one million, nine hundred five thousand, six hundred thirty-two".