361438 has 16 divisors (see below), whose sum is σ = 676224. Its totient is φ = 140760.

The previous prime is 361433. The next prime is 361441. The reversal of 361438 is 834163.

361438 is nontrivially palindromic in base 13.

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 (361433) by changing a digit.

361438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (42264).

2³⁶¹⁴³⁸ is an apocalyptic number.

361438 is a deficient number, since it is larger than the sum of its proper divisors (314786).

361438 is a wasteful number, since it uses less digits than its factorization.

361438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367.

The product of its digits is 1728, while the sum is 25.

The square root of 361438 is about 601.1971390484. The cubic root of 361438 is about 71.2324590040.

The spelling of 361438 in words is "three hundred sixty-one thousand, four hundred thirty-eight".