1928868 has 12 divisors (see below), whose sum is σ = 4500720. Its totient is φ = 642952.

The previous prime is 1928831. The next prime is 1928869. The reversal of 1928868 is 8688291.

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

It is a super-2 number, since 2×1928868² = 7441063522848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1928869) 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, 80358 + ... + 80381.

It is an arithmetic number, because the mean of its divisors is an integer number (375060).

2^1928868 is an apocalyptic number.

It is an amenable number.

1928868 is an abundant number, since it is smaller than the sum of its proper divisors (2571852).

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

1928868 is a wasteful number, since it uses less digits than its factorization.

1928868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160746 (or 160744 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 1928868 is about 1388.8369234723. The cubic root of 1928868 is about 124.4803601219.

The spelling of 1928868 in words is "one million, nine hundred twenty-eight thousand, eight hundred sixty-eight".