1098427392 has 440 divisors, whose sum is σ = 3745027440. Its totient is φ = 318504960.

The previous prime is 1098427391. The next prime is 1098427417. The reversal of 1098427392 is 2937248901.

It is not an unprimeable number, because it can be changed into a prime (1098427391) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26790892 + ... + 26790932.

It is an arithmetic number, because the mean of its divisors is an integer number (8511426).

Almost surely, 2^1098427392 is an apocalyptic number.

1098427392 is a gapful number since it is divisible by the number (12) 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 1098427392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872513720).

1098427392 is an abundant number, since it is smaller than the sum of its proper divisors (2646600048).

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

1098427392 is a wasteful number, since it uses less digits than its factorization.

1098427392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1098427392 is about 33142.5314663802. The cubic root of 1098427392 is about 1031.7879499420.

The spelling of 1098427392 in words is "one billion, ninety-eight million, four hundred twenty-seven thousand, three hundred ninety-two".