379820547 has 6 divisors (see below), whose sum is σ = 548629692. Its totient is φ = 253213692.

The previous prime is 379820543. The next prime is 379820561. The reversal of 379820547 is 745028973.

It is not a de Polignac number, because 379820547 - 2² = 379820543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (379820543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21101133 + ... + 21101150.

It is an arithmetic number, because the mean of its divisors is an integer number (91438282).

Almost surely, 2^379820547 is an apocalyptic number.

379820547 is a deficient number, since it is larger than the sum of its proper divisors (168809145).

379820547 is a wasteful number, since it uses less digits than its factorization.

379820547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42202289 (or 42202286 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 379820547 is about 19488.9852737386. The cubic root of 379820547 is about 724.2016083077.

The spelling of 379820547 in words is "three hundred seventy-nine million, eight hundred twenty thousand, five hundred forty-seven".