1238028 has 48 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 367360.

The previous prime is 1238023. The next prime is 1238033. The reversal of 1238028 is 8208321.

It is an interprime number because it is at equal distance from previous prime (1238023) and next prime (1238033).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1237989 and 1238007.

It is not an unprimeable number, because it can be changed into a prime (1238023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10900 + ... + 11012.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2^1238028 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 1238028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608768).

1238028 is an abundant number, since it is smaller than the sum of its proper divisors (1979508).

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

1238028 is a wasteful number, since it uses less digits than its factorization.

1238028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1238028 is about 1112.6670661074. The cubic root of 1238028 is about 107.3767254650.

The spelling of 1238028 in words is "one million, two hundred thirty-eight thousand, twenty-eight".