381211296 has 48 divisors (see below), whose sum is σ = 1027734624. Its totient is φ = 123634944.

The previous prime is 381211289. The next prime is 381211321. The reversal of 381211296 is 692112183.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50110 + ... + 57213.

It is an arithmetic number, because the mean of its divisors is an integer number (21411138).

Almost surely, 2^381211296 is an apocalyptic number.

It is an amenable number.

381211296 is an abundant number, since it is smaller than the sum of its proper divisors (646523328).

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

381211296 is a wasteful number, since it uses less digits than its factorization.

381211296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107373 (or 107365 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 381211296 is about 19524.6330567312. The cubic root of 381211296 is about 725.0844426416.

The spelling of 381211296 in words is "three hundred eighty-one million, two hundred eleven thousand, two hundred ninety-six".