381337901 has 16 divisors (see below), whose sum is σ = 444554880. Its totient is φ = 320345280.

The previous prime is 381337883. The next prime is 381337927. The reversal of 381337901 is 109733183.

It is a cyclic number.

It is not a de Polignac number, because 381337901 - 2¹⁴ = 381321517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381334901) 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, 129635 + ... + 132543.

It is an arithmetic number, because the mean of its divisors is an integer number (27784680).

Almost surely, 2^381337901 is an apocalyptic number.

It is an amenable number.

381337901 is a deficient number, since it is larger than the sum of its proper divisors (63216979).

381337901 is a wasteful number, since it uses less digits than its factorization.

381337901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 381337901 is about 19527.8749739955. The cubic root of 381337901 is about 725.1647036028.

It can be divided in two parts, 3813 and 37901, that added together give a palindrome (41714).

The spelling of 381337901 in words is "three hundred eighty-one million, three hundred thirty-seven thousand, nine hundred one".