1605132 has 18 divisors (see below), whose sum is σ = 4057508. Its totient is φ = 535032.

The previous prime is 1605127. The next prime is 1605151. The reversal of 1605132 is 2315061.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22258 + ... + 22329.

2^1605132 is an apocalyptic number.

1605132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1605132 is an abundant number, since it is smaller than the sum of its proper divisors (2452376).

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

1605132 is a wasteful number, since it uses less digits than its factorization.

1605132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44597 (or 44592 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1605132 is about 1266.9380411054. The cubic root of 1605132 is about 117.0856265584.

The spelling of 1605132 in words is "one million, six hundred five thousand, one hundred thirty-two".