369428 has 6 divisors (see below), whose sum is σ = 646506. Its totient is φ = 184712.

The previous prime is 369419. The next prime is 369469. The reversal of 369428 is 824963.

It can be written as a sum of positive squares in only one way, i.e., 334084 + 35344 = 578^2 + 188^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 369394 and 369403.

It is a congruent number.

It is an unprimeable number.

369428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46175 + ... + 46182.

It is an arithmetic number, because the mean of its divisors is an integer number (107751).

2³⁶⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

369428 is a deficient number, since it is larger than the sum of its proper divisors (277078).

369428 is a wasteful number, since it uses less digits than its factorization.

369428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92361 (or 92359 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 369428 is about 607.8058900669. The cubic root of 369428 is about 71.7535296738.

Subtracting 369428 from its reverse (824963), we obtain a triangular number (455535 = T₉₅₄).

It can be divided in two parts, 369 and 428, that added together give a palindrome (797).

The spelling of 369428 in words is "three hundred sixty-nine thousand, four hundred twenty-eight".