361428 has 12 divisors (see below), whose sum is σ = 843360. Its totient is φ = 120472.

The previous prime is 361421. The next prime is 361433. The reversal of 361428 is 824163.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 361398 and 361407.

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 361428.

It is not an unprimeable number, because it can be changed into a prime (361421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15048 + ... + 15071.

It is an arithmetic number, because the mean of its divisors is an integer number (70280).

2³⁶¹⁴²⁸ is an apocalyptic number.

It is an amenable number.

361428 is an abundant number, since it is smaller than the sum of its proper divisors (481932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361428 is a wasteful number, since it uses less digits than its factorization.

361428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30126 (or 30124 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 361428 is about 601.1888222514. The cubic root of 361428 is about 71.2318020622.

The spelling of 361428 in words is "three hundred sixty-one thousand, four hundred twenty-eight".