385447452 has 48 divisors (see below), whose sum is σ = 1019544960. Its totient is φ = 112356288.

The previous prime is 385447451. The next prime is 385447483. The reversal of 385447452 is 254744583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385447451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62058 + ... + 67985.

It is an arithmetic number, because the mean of its divisors is an integer number (21240520).

Almost surely, 2^385447452 is an apocalyptic number.

It is an amenable number.

385447452 is an abundant number, since it is smaller than the sum of its proper divisors (634097508).

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

385447452 is a wasteful number, since it uses less digits than its factorization.

385447452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130082 (or 130080 counting only the distinct ones).

The product of its digits is 537600, while the sum is 42.

The square root of 385447452 is about 19632.8156921008. The cubic root of 385447452 is about 727.7603541405.

The spelling of 385447452 in words is "three hundred eighty-five million, four hundred forty-seven thousand, four hundred fifty-two".