380249149 has 12 divisors (see below), whose sum is σ = 461639584. Its totient is φ = 306753984.

The previous prime is 380249137. The next prime is 380249153. The reversal of 380249149 is 941942083.

It is a de Polignac number, because none of the positive numbers 2^k-380249149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380249249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91959 + ... + 96004.

Almost surely, 2^380249149 is an apocalyptic number.

It is an amenable number.

380249149 is a deficient number, since it is larger than the sum of its proper divisors (81390435).

380249149 is a wasteful number, since it uses less digits than its factorization.

380249149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188004 (or 187987 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 380249149 is about 19499.9781794750. The cubic root of 380249149 is about 724.4739102147.

The spelling of 380249149 in words is "three hundred eighty million, two hundred forty-nine thousand, one hundred forty-nine".