1928500 has 96 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 604800.

The previous prime is 1928489. The next prime is 1928501. The reversal of 1928500 is 58291.

It is a super-2 number, since 2×1928500² = 7438224500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66486 + ... + 66514.

It is an arithmetic number, because the mean of its divisors is an integer number (54600).

2^1928500 is an apocalyptic number.

1928500 is a gapful number since it is divisible by the number (10) 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 1928500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2620800).

1928500 is an abundant number, since it is smaller than the sum of its proper divisors (3313100).

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

1928500 is a wasteful number, since it uses less digits than its factorization.

1928500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1928500 is about 1388.7044321957. The cubic root of 1928500 is about 124.4724432702.

The spelling of 1928500 in words is "one million, nine hundred twenty-eight thousand, five hundred".