381652 has 6 divisors (see below), whose sum is σ = 667898. Its totient is φ = 190824.

The previous prime is 381637. The next prime is 381659. The reversal of 381652 is 256183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 276676 + 104976 = 526^2 + 324^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381659) by changing a digit.

381652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47703 + ... + 47710.

2³⁸¹⁶⁵² is an apocalyptic number.

It is an amenable number.

381652 is a deficient number, since it is larger than the sum of its proper divisors (286246).

381652 is a wasteful number, since it uses less digits than its factorization.

381652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95417 (or 95415 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 381652 is about 617.7798960795. The cubic root of 381652 is about 72.5363749295.

The spelling of 381652 in words is "three hundred eighty-one thousand, six hundred fifty-two".