1606968 has 48 divisors (see below), whose sum is σ = 4750200. Its totient is φ = 486720.

The previous prime is 1606967. The next prime is 1606981. The reversal of 1606968 is 8696061.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223 + ... + 1806.

2^1606968 is an apocalyptic number.

1606968 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 1606968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2375100).

1606968 is an abundant number, since it is smaller than the sum of its proper divisors (3143232).

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

1606968 is a wasteful number, since it uses less digits than its factorization.

1606968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1606968 is about 1267.6624156297. The cubic root of 1606968 is about 117.1302516109.

The spelling of 1606968 in words is "one million, six hundred six thousand, nine hundred sixty-eight".