381356 has 6 divisors (see below), whose sum is σ = 667380. Its totient is φ = 190676.

The previous prime is 381347. The next prime is 381371. The reversal of 381356 is 653183.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47666 + ... + 47673.

It is an arithmetic number, because the mean of its divisors is an integer number (111230).

2³⁸¹³⁵⁶ is an apocalyptic number.

It is an amenable number.

381356 is a deficient number, since it is larger than the sum of its proper divisors (286024).

381356 is a wasteful number, since it uses less digits than its factorization.

381356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95343 (or 95341 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 381356 is about 617.5402820869. The cubic root of 381356 is about 72.5176175973.

It can be divided in two parts, 381 and 356, that added together give a palindrome (737).

The spelling of 381356 in words is "three hundred eighty-one thousand, three hundred fifty-six".