1339401228 has 96 divisors (see below), whose sum is σ = 3598318080. Its totient is φ = 383792640.

The previous prime is 1339401211. The next prime is 1339401233. The reversal of 1339401228 is 8221049331.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267726 + ... + 272682.

It is an arithmetic number, because the mean of its divisors is an integer number (37482480).

Almost surely, 2^1339401228 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 1339401228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799159040).

1339401228 is an abundant number, since it is smaller than the sum of its proper divisors (2258916852).

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

1339401228 is a wasteful number, since it uses less digits than its factorization.

1339401228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1339401228 is about 36597.8309193318. The cubic root of 1339401228 is about 1102.3095354361.

The spelling of 1339401228 in words is "one billion, three hundred thirty-nine million, four hundred one thousand, two hundred twenty-eight".