8381901 has 32 divisors (see below), whose sum is σ = 13160448. Its totient is φ = 4688640.

The previous prime is 8381887. The next prime is 8381903. The reversal of 8381901 is 1091838.

It is not a de Polignac number, because 8381901 - 2¹⁰ = 8380877 is a prime.

8381901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381903) 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 31 ways as a sum of consecutive naturals, for example, 37476 + ... + 37698.

It is an arithmetic number, because the mean of its divisors is an integer number (411264).

Almost surely, 2^8381901 is an apocalyptic number.

It is an amenable number.

8381901 is a deficient number, since it is larger than the sum of its proper divisors (4778547).

8381901 is a wasteful number, since it uses less digits than its factorization.

8381901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 8381901 is about 2895.1512913836. The cubic root of 8381901 is about 203.1331683027.

The spelling of 8381901 in words is "eight million, three hundred eighty-one thousand, nine hundred one".