1801965828 has 48 divisors (see below), whose sum is σ = 4534295360. Its totient is φ = 553682304.

The previous prime is 1801965827. The next prime is 1801965839. The reversal of 1801965828 is 8285691081.

It is not an unprimeable number, because it can be changed into a prime (1801965821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110463 + ... + 125721.

Almost surely, 2^1801965828 is an apocalyptic number.

It is an amenable number.

1801965828 is an abundant number, since it is smaller than the sum of its proper divisors (2732329532).

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

1801965828 is a wasteful number, since it uses less digits than its factorization.

1801965828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16036 (or 16034 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 48.

The square root of 1801965828 is about 42449.5680543395. The cubic root of 1801965828 is about 1216.8830736676.

The spelling of 1801965828 in words is "one billion, eight hundred one million, nine hundred sixty-five thousand, eight hundred twenty-eight".