385521149 has 8 divisors (see below), whose sum is σ = 421374240. Its totient is φ = 350553456.

The previous prime is 385521133. The next prime is 385521179. The reversal of 385521149 is 941125583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385521149 - 2⁴ = 385521133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385521179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220439 + ... + 222180.

It is an arithmetic number, because the mean of its divisors is an integer number (52671780).

Almost surely, 2^385521149 is an apocalyptic number.

It is an amenable number.

385521149 is a deficient number, since it is larger than the sum of its proper divisors (35853091).

385521149 is a wasteful number, since it uses less digits than its factorization.

385521149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442699.

The product of its digits is 43200, while the sum is 38.

The square root of 385521149 is about 19634.6924854962. The cubic root of 385521149 is about 727.8067334300.

The spelling of 385521149 in words is "three hundred eighty-five million, five hundred twenty-one thousand, one hundred forty-nine".