1601632 has 12 divisors (see below), whose sum is σ = 3153276. Its totient is φ = 800800.

The previous prime is 1601629. The next prime is 1601647. The reversal of 1601632 is 2361061.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994 + ... + 25057.

It is an arithmetic number, because the mean of its divisors is an integer number (262773).

2^1601632 is an apocalyptic number.

It is an amenable number.

1601632 is a deficient number, since it is larger than the sum of its proper divisors (1551644).

1601632 is an equidigital number, since it uses as much as digits as its factorization.

1601632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50061 (or 50053 counting only the distinct ones).

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

The square root of 1601632 is about 1265.5560042922. The cubic root of 1601632 is about 117.0004626568. Note that the first 3 decimals are identical.

Subtracting from 1601632 its sum of digits (19), we obtain a cube (1601613 = 117³).

Adding to 1601632 its reverse (2361061), we get a palindrome (3962693).

The spelling of 1601632 in words is "one million, six hundred one thousand, six hundred thirty-two".