365428 has 24 divisors (see below), whose sum is σ = 756224. Its totient is φ = 151200.

The previous prime is 365423. The next prime is 365441. The reversal of 365428 is 824563.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 365396 and 365405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658 + ... + 1078.

2³⁶⁵⁴²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 365428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378112).

365428 is an abundant number, since it is smaller than the sum of its proper divisors (390796).

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

365428 is a wasteful number, since it uses less digits than its factorization.

365428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 461 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 365428 is about 604.5064102224. The cubic root of 365428 is about 71.4936177002.

The spelling of 365428 in words is "three hundred sixty-five thousand, four hundred twenty-eight".