912428 has 24 divisors (see below), whose sum is σ = 1769040. Its totient is φ = 408320.

The previous prime is 912413. The next prime is 912449. The reversal of 912428 is 824219.

It is a junction number, because it is equal to n+sod(n) for n = 912397 and 912406.

It is a congruent number.

It is an unprimeable number.

912428 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, 3800 + ... + 4032.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

2⁹¹²⁴²⁸ is an apocalyptic number.

It is an amenable number.

912428 is a deficient number, since it is larger than the sum of its proper divisors (856612).

912428 is a wasteful number, since it uses less digits than its factorization.

912428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 912428 is about 955.2109714613. The cubic root of 912428 is about 96.9913195902.

Subtracting from 912428 its reverse (824219), we obtain a square (88209 = 297²).

The spelling of 912428 in words is "nine hundred twelve thousand, four hundred twenty-eight".