316428 has 24 divisors (see below), whose sum is σ = 844032. Its totient is φ = 90384.

The previous prime is 316423. The next prime is 316429. The reversal of 316428 is 824613.

It is a happy number.

It is a d-powerful number, because it can be written as 3⁷ + 1 + 4⁵ + 6⁷ + 2¹⁵ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 316398 and 316407.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316428.

It is not an unprimeable number, because it can be changed into a prime (316423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (35168).

2³¹⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

316428 is an abundant number, since it is smaller than the sum of its proper divisors (527604).

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

316428 is a wasteful number, since it uses less digits than its factorization.

316428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3779 counting only the distinct ones).

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

The square root of 316428 is about 562.5193330011. The cubic root of 316428 is about 68.1435835731.

It can be divided in two parts, 3 and 16428, that multiplied together give a square (49284 = 222²).

The spelling of 316428 in words is "three hundred sixteen thousand, four hundred twenty-eight".