381007 has 8 divisors (see below), whose sum is σ = 437760. Its totient is φ = 327960.

The previous prime is 381001. The next prime is 381011. The reversal of 381007 is 700183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381007 - 2⁷ = 380879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703 + ... + 1120.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2³⁸¹⁰⁰⁷ is an apocalyptic number.

381007 is a deficient number, since it is larger than the sum of its proper divisors (56753).

381007 is a wasteful number, since it uses less digits than its factorization.

381007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 381007 is about 617.2576447481. The cubic root of 381007 is about 72.4954892160.

The spelling of 381007 in words is "three hundred eighty-one thousand, seven".