385211752 has 8 divisors (see below), whose sum is σ = 722272050. Its totient is φ = 192605872.

The previous prime is 385211741. The next prime is 385211779. The reversal of 385211752 is 257112583.

It can be written as a sum of positive squares in only one way, i.e., 199543876 + 185667876 = 14126^2 + 13626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24075727 + ... + 24075742.

Almost surely, 2^385211752 is an apocalyptic number.

It is an amenable number.

385211752 is a deficient number, since it is larger than the sum of its proper divisors (337060298).

385211752 is a wasteful number, since it uses less digits than its factorization.

385211752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48151475 (or 48151471 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 385211752 is about 19626.8120692078. The cubic root of 385211752 is about 727.6119827776.

The spelling of 385211752 in words is "three hundred eighty-five million, two hundred eleven thousand, seven hundred fifty-two".