381002 has 8 divisors (see below), whose sum is σ = 591300. Its totient is φ = 183904.

The previous prime is 381001. The next prime is 381011. The reversal of 381002 is 200183.

381002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 22201 = 599^2 + 149^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 3227 + ... + 3342.

2³⁸¹⁰⁰² is an apocalyptic number.

381002 is a deficient number, since it is larger than the sum of its proper divisors (210298).

381002 is a wasteful number, since it uses less digits than its factorization.

381002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 381002 is about 617.2535945622. The cubic root of 381002 is about 72.4951720923.

Adding to 381002 its reverse (200183), we get a palindrome (581185).

The spelling of 381002 in words is "three hundred eighty-one thousand, two".