381008017 has 16 divisors (see below), whose sum is σ = 418682880. Its totient is φ = 344570112.

The previous prime is 381008009. The next prime is 381008027. The reversal of 381008017 is 710800183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 381008017 - 2³ = 381008009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381008027) 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, 293113 + ... + 294409.

It is an arithmetic number, because the mean of its divisors is an integer number (26167680).

Almost surely, 2^381008017 is an apocalyptic number.

It is an amenable number.

381008017 is a deficient number, since it is larger than the sum of its proper divisors (37674863).

381008017 is a wasteful number, since it uses less digits than its factorization.

381008017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 381008017 is about 19519.4266565389. The cubic root of 381008017 is about 724.9555371860.

The spelling of 381008017 in words is "three hundred eighty-one million, eight thousand, seventeen".