380542 has 4 divisors (see below), whose sum is σ = 570816. Its totient is φ = 190270.

The previous prime is 380533. The next prime is 380557. The reversal of 380542 is 245083.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95134 + ... + 95137.

It is an arithmetic number, because the mean of its divisors is an integer number (142704).

2³⁸⁰⁵⁴² is an apocalyptic number.

380542 is a deficient number, since it is larger than the sum of its proper divisors (190274).

380542 is a wasteful number, since it uses less digits than its factorization.

380542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190273.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 380542 is about 616.8808637006. The cubic root of 380542 is about 72.4659848361.

The spelling of 380542 in words is "three hundred eighty thousand, five hundred forty-two".