380428 has 6 divisors (see below), whose sum is σ = 665756. Its totient is φ = 190212.

The previous prime is 380423. The next prime is 380441. The reversal of 380428 is 824083.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (380423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47550 + ... + 47557.

2³⁸⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

380428 is a deficient number, since it is larger than the sum of its proper divisors (285328).

380428 is a wasteful number, since it uses less digits than its factorization.

380428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95111 (or 95109 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 380428 is about 616.7884564419. The cubic root of 380428 is about 72.4587478362.

It can be divided in two parts, 380 and 428, that added together give a palindrome (808).

The spelling of 380428 in words is "three hundred eighty thousand, four hundred twenty-eight".