1358028 has 72 divisors (see below), whose sum is σ = 4167072. Its totient is φ = 364032.

The previous prime is 1358009. The next prime is 1358029. The reversal of 1358028 is 8208531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1357992 and 1358010.

It is not an unprimeable number, because it can be changed into a prime (1358029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4126 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (57876).

2^1358028 is an apocalyptic number.

1358028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1358028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083536).

1358028 is an abundant number, since it is smaller than the sum of its proper divisors (2809044).

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

1358028 is a wasteful number, since it uses less digits than its factorization.

1358028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1358028 is about 1165.3445842325. The cubic root of 1358028 is about 110.7395892019.

The spelling of 1358028 in words is "one million, three hundred fifty-eight thousand, twenty-eight".