1601928 has 48 divisors (see below), whose sum is σ = 4570800. Its totient is φ = 505440.

The previous prime is 1601869. The next prime is 1601953. The reversal of 1601928 is 8291061.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783 + ... + 1953.

It is an arithmetic number, because the mean of its divisors is an integer number (95225).

2^1601928 is an apocalyptic number.

1601928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1601928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285400).

1601928 is an abundant number, since it is smaller than the sum of its proper divisors (2968872).

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

1601928 is a wasteful number, since it uses less digits than its factorization.

1601928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1601928 is about 1265.6729435364. The cubic root of 1601928 is about 117.0076698895.

Adding to 1601928 its reverse (8291061), we get a palindrome (9892989).

The spelling of 1601928 in words is "one million, six hundred one thousand, nine hundred twenty-eight".