380028700 has 18 divisors (see below), whose sum is σ = 824662496. Its totient is φ = 152011440.

The previous prime is 380028683. The next prime is 380028703. The reversal of 380028700 is 7820083.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380028703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1900044 + ... + 1900243.

Almost surely, 2^380028700 is an apocalyptic number.

It is an amenable number.

380028700 is an abundant number, since it is smaller than the sum of its proper divisors (444633796).

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

380028700 is a wasteful number, since it uses less digits than its factorization.

380028700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800301 (or 3800294 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 380028700 is about 19494.3248151866. The cubic root of 380028700 is about 724.3338788491. Note that the first 3 decimals are identical.

Adding to 380028700 its reverse (7820083), we get a palindrome (387848783).

The spelling of 380028700 in words is "three hundred eighty million, twenty-eight thousand, seven hundred".