1234398828 has 24 divisors (see below), whose sum is σ = 3101823088. Its totient is φ = 379814976.

The previous prime is 1234398797. The next prime is 1234398839. The reversal of 1234398828 is 8288934321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3956251 + ... + 3956562.

Almost surely, 2^1234398828 is an apocalyptic number.

It is an amenable number.

1234398828 is an abundant number, since it is smaller than the sum of its proper divisors (1867424260).

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

1234398828 is a wasteful number, since it uses less digits than its factorization.

1234398828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912833 (or 7912831 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 1234398828 is about 35134.0124096295. The cubic root of 1234398828 is about 1072.7170091355.

The spelling of 1234398828 in words is "one billion, two hundred thirty-four million, three hundred ninety-eight thousand, eight hundred twenty-eight".