1016428 has 24 divisors (see below), whose sum is σ = 2100224. Its totient is φ = 421200.

The previous prime is 1016423. The next prime is 1016441. The reversal of 1016428 is 8246101.

1016428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1016399 and 1016408.

It is not an unprimeable number, because it can be changed into a prime (1016423) 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, 283 + ... + 1453.

2^1016428 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 1016428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1050112).

1016428 is an abundant number, since it is smaller than the sum of its proper divisors (1083796).

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

1016428 is a wasteful number, since it uses less digits than its factorization.

1016428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1016428 is about 1008.1805393877. The cubic root of 1016428 is about 100.5446284140.

It can be divided in two parts, 1016 and 428, that added together give a square (1444 = 38²).

The spelling of 1016428 in words is "one million, sixteen thousand, four hundred twenty-eight".