381708801 has 16 divisors (see below), whose sum is σ = 566665920. Its totient is φ = 253945440.

The previous prime is 381708799. The next prime is 381708827. The reversal of 381708801 is 108807183.

It is not a de Polignac number, because 381708801 - 2¹ = 381708799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381708881) 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, 1140 + ... + 27653.

It is an arithmetic number, because the mean of its divisors is an integer number (35416620).

Almost surely, 2^381708801 is an apocalyptic number.

It is an amenable number.

381708801 is a deficient number, since it is larger than the sum of its proper divisors (184957119).

381708801 is a wasteful number, since it uses less digits than its factorization.

381708801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29293 (or 29287 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 381708801 is about 19537.3693469720. The cubic root of 381708801 is about 725.3997326365.

It can be divided in two parts, 38170 and 8801, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 381708801 in words is "three hundred eighty-one million, seven hundred eight thousand, eight hundred one".