1928201000 has 64 divisors (see below), whose sum is σ = 4922199360. Its totient is φ = 701160000.

The previous prime is 1928200987. The next prime is 1928201027. The reversal of 1928201000 is 1028291.

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, 76646 + ... + 98645.

It is an arithmetic number, because the mean of its divisors is an integer number (76909365).

Almost surely, 2^1928201000 is an apocalyptic number.

1928201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1928201000 is an abundant number, since it is smaller than the sum of its proper divisors (2993998360).

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

1928201000 is a wasteful number, since it uses less digits than its factorization.

1928201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175323 (or 175309 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1928201000 is about 43911.2855653305. The cubic root of 1928201000 is about 1244.6601008649.

Adding to 1928201000 its reverse (1028291), we get a palindrome (1929229291).

The spelling of 1928201000 in words is "one billion, nine hundred twenty-eight million, two hundred one thousand".