1601868 has 24 divisors (see below), whose sum is σ = 3769920. Its totient is φ = 529360.

The previous prime is 1601867. The next prime is 1601869. The reversal of 1601868 is 8681061.

It is an interprime number because it is at equal distance from previous prime (1601867) and next prime (1601869).

It is not an unprimeable number, because it can be changed into a prime (1601861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

2^1601868 is an apocalyptic number.

It is an amenable number.

1601868 is an abundant number, since it is smaller than the sum of its proper divisors (2168052).

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

1601868 is a wasteful number, since it uses less digits than its factorization.

1601868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1601868 is about 1265.6492405086. The cubic root of 1601868 is about 117.0062090357.

The spelling of 1601868 in words is "one million, six hundred one thousand, eight hundred sixty-eight".