1730400384 has 32 divisors (see below), whose sum is σ = 4596377040. Its totient is φ = 576800000.

The previous prime is 1730400383. The next prime is 1730400407. The reversal of 1730400384 is 4830040371.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1730400383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2252742 + ... + 2253509.

Almost surely, 2^1730400384 is an apocalyptic number.

It is an amenable number.

1730400384 is an abundant number, since it is smaller than the sum of its proper divisors (2865976656).

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

1730400384 is an equidigital number, since it uses as much as digits as its factorization.

1730400384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506268 (or 4506256 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1730400384 is about 41598.0814942228. The cubic root of 1730400384 is about 1200.5553873589. Note that the first 3 decimals are identical.

The spelling of 1730400384 in words is "one billion, seven hundred thirty million, four hundred thousand, three hundred eighty-four".