385103772 has 36 divisors (see below), whose sum is σ = 974061816. Its totient is φ = 128288160.

The previous prime is 385103767. The next prime is 385103773. The reversal of 385103772 is 277301583.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385103773) 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 11 ways as a sum of consecutive naturals, for example, 96358 + ... + 100274.

Almost surely, 2^385103772 is an apocalyptic number.

It is an amenable number.

385103772 is an abundant number, since it is smaller than the sum of its proper divisors (588958044).

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

385103772 is a wasteful number, since it uses less digits than its factorization.

385103772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658 (or 6653 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 385103772 is about 19624.0610476017. The cubic root of 385103772 is about 727.5439899712.

The spelling of 385103772 in words is "three hundred eighty-five million, one hundred three thousand, seven hundred seventy-two".