1093928387 has 2 divisors, whose sum is σ = 1093928388. Its totient is φ = 1093928386.

The previous prime is 1093928383. The next prime is 1093928399. The reversal of 1093928387 is 7838293901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1093928387 - 2² = 1093928383 is a prime.

It is not a weakly prime, because it can be changed into another prime (1093928383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546964193 + 546964194.

It is an arithmetic number, because the mean of its divisors is an integer number (546964194).

Almost surely, 2^1093928387 is an apocalyptic number.

1093928387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093928387 is an equidigital number, since it uses as much as digits as its factorization.

1093928387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1093928387 is about 33074.5882362880. The cubic root of 1093928387 is about 1030.3773359050.

The spelling of 1093928387 in words is "one billion, ninety-three million, nine hundred twenty-eight thousand, three hundred eighty-seven".