1093856442 has 16 divisors (see below), whose sum is σ = 2500243392. Its totient is φ = 312530400.

The previous prime is 1093856441. The next prime is 1093856497. The reversal of 1093856442 is 2446583901.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 26044201 = 1093856442 / (1 + 0 + 9 + 3 + 8 + 5 + 6 + 4 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1093856394 and 1093856403.

It is not an unprimeable number, because it can be changed into a prime (1093856441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13022059 + ... + 13022142.

It is an arithmetic number, because the mean of its divisors is an integer number (156265212).

Almost surely, 2^1093856442 is an apocalyptic number.

1093856442 is an abundant number, since it is smaller than the sum of its proper divisors (1406386950).

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

1093856442 is a wasteful number, since it uses less digits than its factorization.

1093856442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26044213.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1093856442 is about 33073.5006009343. The cubic root of 1093856442 is about 1030.3547469422.

The spelling of 1093856442 in words is "one billion, ninety-three million, eight hundred fifty-six thousand, four hundred forty-two".