1928895 has 16 divisors (see below), whose sum is σ = 3220992. Its totient is φ = 983840.

The previous prime is 1928873. The next prime is 1928929. The reversal of 1928895 is 5988291.

It is a happy number.

It is not a de Polignac number, because 1928895 - 2⁶ = 1928831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (201312).

2^1928895 is an apocalyptic number.

1928895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1928895 is a deficient number, since it is larger than the sum of its proper divisors (1292097).

1928895 is a wasteful number, since it uses less digits than its factorization.

1928895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622.

The product of its digits is 51840, while the sum is 42.

The square root of 1928895 is about 1388.8466438020. The cubic root of 1928895 is about 124.4809409382.

The spelling of 1928895 in words is "one million, nine hundred twenty-eight thousand, eight hundred ninety-five".