380749512 has 128 divisors (see below), whose sum is σ = 1177344000. Its totient is φ = 100880640.

The previous prime is 380749511. The next prime is 380749517. The reversal of 380749512 is 215947083.

380749512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (380749511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62289 + ... + 68127.

It is an arithmetic number, because the mean of its divisors is an integer number (9198000).

Almost surely, 2^380749512 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 380749512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588672000).

380749512 is an abundant number, since it is smaller than the sum of its proper divisors (796594488).

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

380749512 is a wasteful number, since it uses less digits than its factorization.

380749512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 380749512 is about 19512.8037964819. The cubic root of 380749512 is about 724.7915449847.

It can be divided in two parts, 38074 and 9512, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 380749512 in words is "three hundred eighty million, seven hundred forty-nine thousand, five hundred twelve".