1608972 has 12 divisors (see below), whose sum is σ = 3754296. Its totient is φ = 536320.

The previous prime is 1608941. The next prime is 1608979. The reversal of 1608972 is 2798061.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1608979) 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, 67029 + ... + 67052.

It is an arithmetic number, because the mean of its divisors is an integer number (312858).

2^1608972 is an apocalyptic number.

1608972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1608972 is an abundant number, since it is smaller than the sum of its proper divisors (2145324).

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

1608972 is a wasteful number, since it uses less digits than its factorization.

1608972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134088 (or 134086 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1608972 is about 1268.4526006123. The cubic root of 1608972 is about 117.1789212209.

It can be divided in two parts, 16089 and 72, that added together give a palindrome (16161).

The spelling of 1608972 in words is "one million, six hundred eight thousand, nine hundred seventy-two".