1606632 has 16 divisors (see below), whose sum is σ = 4016640. Its totient is φ = 535536.

The previous prime is 1606603. The next prime is 1606639. The reversal of 1606632 is 2366061.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 66943 = 1606632 / (1 + 6 + 0 + 6 + 6 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (1606639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33448 + ... + 33495.

It is an arithmetic number, because the mean of its divisors is an integer number (251040).

2^1606632 is an apocalyptic number.

1606632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1606632 is an abundant number, since it is smaller than the sum of its proper divisors (2410008).

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

1606632 is a wasteful number, since it uses less digits than its factorization.

1606632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66952 (or 66948 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1606632 is about 1267.5298813046. The cubic root of 1606632 is about 117.1220874766.

The spelling of 1606632 in words is "one million, six hundred six thousand, six hundred thirty-two".