380078500 has 48 divisors (see below), whose sum is σ = 832431600. Its totient is φ = 151603200.

The previous prime is 380078477. The next prime is 380078509. The reversal of 380078500 is 5870083.

It can be written as a sum of positive squares in 8 ways, for example, as 124590244 + 255488256 = 11162^2 + 15984^2 .

It is not an unprimeable number, because it can be changed into a prime (380078509) 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, 223654 + ... + 225346.

It is an arithmetic number, because the mean of its divisors is an integer number (17342325).

Almost surely, 2^380078500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380078500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416215800).

380078500 is an abundant number, since it is smaller than the sum of its proper divisors (452353100).

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

380078500 is a wasteful number, since it uses less digits than its factorization.

380078500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 380078500 is about 19495.6020681589. The cubic root of 380078500 is about 724.3655170312.

The spelling of 380078500 in words is "three hundred eighty million, seventy-eight thousand, five hundred".