380129247 has 32 divisors (see below), whose sum is σ = 576600000. Its totient is φ = 247432320.

The previous prime is 380129227. The next prime is 380129249. The reversal of 380129247 is 742921083.

It is not a de Polignac number, because 380129247 - 2¹⁶ = 380063711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380129249) 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, 244629 + ... + 246177.

It is an arithmetic number, because the mean of its divisors is an integer number (18018750).

Almost surely, 2^380129247 is an apocalyptic number.

380129247 is a deficient number, since it is larger than the sum of its proper divisors (196470753).

380129247 is a wasteful number, since it uses less digits than its factorization.

380129247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 380129247 is about 19496.9035233803. The cubic root of 380129247 is about 724.3977540042.

The spelling of 380129247 in words is "three hundred eighty million, one hundred twenty-nine thousand, two hundred forty-seven".