381950 has 12 divisors (see below), whose sum is σ = 710520. Its totient is φ = 152760.

The previous prime is 381949. The next prime is 381977. The reversal of 381950 is 59183.

381950 = 31² + 32² + ... + 105².

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381950.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3770 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (59210).

2³⁸¹⁹⁵⁰ is an apocalyptic number.

381950 is a deficient number, since it is larger than the sum of its proper divisors (328570).

381950 is a wasteful number, since it uses less digits than its factorization.

381950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651 (or 7646 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 381950 is about 618.0210352407. The cubic root of 381950 is about 72.5552492061. Note that the first 3 decimals are identical.

Subtracting from 381950 its sum of digits (26), we obtain a square (381924 = 618²).

It can be divided in two parts, 381 and 950, that added together give a palindrome (1331).

The spelling of 381950 in words is "three hundred eighty-one thousand, nine hundred fifty".