1093928408 has 8 divisors (see below), whose sum is σ = 2051115780. Its totient is φ = 546964200.

The previous prime is 1093928399. The next prime is 1093928411. The reversal of 1093928408 is 8048293901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 68370518 + ... + 68370533.

Almost surely, 2^1093928408 is an apocalyptic number.

It is an amenable number.

1093928408 is a deficient number, since it is larger than the sum of its proper divisors (957187372).

1093928408 is a wasteful number, since it uses less digits than its factorization.

1093928408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136741057 (or 136741053 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1093928408 is about 33074.5885537523. The cubic root of 1093928408 is about 1030.3773424983.

The spelling of 1093928408 in words is "one billion, ninety-three million, nine hundred twenty-eight thousand, four hundred eight".