380489757 has 16 divisors (see below), whose sum is σ = 527638848. Its totient is φ = 243694080.

The previous prime is 380489749. The next prime is 380489771. The reversal of 380489757 is 757984083.

It is not a de Polignac number, because 380489757 - 2³ = 380489749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380489357) 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, 16308 + ... + 32045.

It is an arithmetic number, because the mean of its divisors is an integer number (32977428).

Almost surely, 2^380489757 is an apocalyptic number.

It is an amenable number.

380489757 is a deficient number, since it is larger than the sum of its proper divisors (147149091).

380489757 is a wasteful number, since it uses less digits than its factorization.

380489757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48460.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 380489757 is about 19506.1466466342. The cubic root of 380489757 is about 724.6266850164.

The spelling of 380489757 in words is "three hundred eighty million, four hundred eighty-nine thousand, seven hundred fifty-seven".