1093928385 has 32 divisors (see below), whose sum is σ = 1953819648. Its totient is φ = 518051520.

The previous prime is 1093928383. The next prime is 1093928387. The reversal of 1093928385 is 5838293901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1093928383) and next prime (1093928387).

It is not a de Polignac number, because 1093928385 - 2¹ = 1093928383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1093928383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69997 + ... + 84186.

It is an arithmetic number, because the mean of its divisors is an integer number (61056864).

Almost surely, 2^1093928385 is an apocalyptic number.

1093928385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1093928385 is a deficient number, since it is larger than the sum of its proper divisors (859891263).

1093928385 is a wasteful number, since it uses less digits than its factorization.

1093928385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154245.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1093928385 is about 33074.5882060533. The cubic root of 1093928385 is about 1030.3773352770.

The spelling of 1093928385 in words is "one billion, ninety-three million, nine hundred twenty-eight thousand, three hundred eighty-five".