385574216 has 8 divisors (see below), whose sum is σ = 722951670. Its totient is φ = 192787104.

The previous prime is 385574207. The next prime is 385574219. The reversal of 385574216 is 612475583.

It can be written as a sum of positive squares in only one way, i.e., 340550116 + 45024100 = 18454^2 + 6710^2 .

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

It is not an unprimeable number, because it can be changed into a prime (385574219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24098381 + ... + 24098396.

Almost surely, 2^385574216 is an apocalyptic number.

It is an amenable number.

385574216 is a deficient number, since it is larger than the sum of its proper divisors (337377454).

385574216 is a wasteful number, since it uses less digits than its factorization.

385574216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48196783 (or 48196779 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 385574216 is about 19636.0437970585. The cubic root of 385574216 is about 727.8401261056.

The spelling of 385574216 in words is "three hundred eighty-five million, five hundred seventy-four thousand, two hundred sixteen".