381180801 has 16 divisors (see below), whose sum is σ = 513008640. Its totient is φ = 251748480.

The previous prime is 381180799. The next prime is 381180809. The reversal of 381180801 is 108081183.

It is not a de Polignac number, because 381180801 - 2¹ = 381180799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (381180809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152901 + ... + 155373.

It is an arithmetic number, because the mean of its divisors is an integer number (32063040).

Almost surely, 2^381180801 is an apocalyptic number.

It is an amenable number.

381180801 is a deficient number, since it is larger than the sum of its proper divisors (131827839).

381180801 is a wasteful number, since it uses less digits than its factorization.

381180801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 381180801 is about 19523.8521045413. The cubic root of 381180801 is about 725.0651077478.

The spelling of 381180801 in words is "three hundred eighty-one million, one hundred eighty thousand, eight hundred one".