381381060 has 48 divisors (see below), whose sum is σ = 1130685696. Its totient is φ = 95718912.

The previous prime is 381381047. The next prime is 381381071. The reversal of 381381060 is 60183183.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185932 + ... + 187971.

It is an arithmetic number, because the mean of its divisors is an integer number (23555952).

Almost surely, 2^381381060 is an apocalyptic number.

381381060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381381060 is an abundant number, since it is smaller than the sum of its proper divisors (749304636).

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

381381060 is a wasteful number, since it uses less digits than its factorization.

381381060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373932 (or 373930 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 381381060 is about 19528.9800040862. The cubic root of 381381060 is about 725.1920600958.

The spelling of 381381060 in words is "three hundred eighty-one million, three hundred eighty-one thousand, sixty".