1789409852 has 24 divisors (see below), whose sum is σ = 3245486160. Its totient is φ = 862243200.

The previous prime is 1789409819. The next prime is 1789409861. The reversal of 1789409852 is 2589049871.

It is a junction number, because it is equal to n+sod(n) for n = 1789409794 and 1789409803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49352 + ... + 77552.

It is an arithmetic number, because the mean of its divisors is an integer number (135228590).

Almost surely, 2^1789409852 is an apocalyptic number.

It is an amenable number.

1789409852 is a deficient number, since it is larger than the sum of its proper divisors (1456076308).

1789409852 is a wasteful number, since it uses less digits than its factorization.

1789409852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28781 (or 28779 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 1789409852 is about 42301.4166665846. The cubic root of 1789409852 is about 1214.0500971323.

The spelling of 1789409852 in words is "one billion, seven hundred eighty-nine million, four hundred nine thousand, eight hundred fifty-two".