1088921793 has 16 divisors (see below), whose sum is σ = 1460592000. Its totient is φ = 721610880.

The previous prime is 1088921789. The next prime is 1088921819. The reversal of 1088921793 is 3971298801.

It is not a de Polignac number, because 1088921793 - 2² = 1088921789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1088921693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719908 + ... + 721418.

It is an arithmetic number, because the mean of its divisors is an integer number (91287000).

Almost surely, 2^1088921793 is an apocalyptic number.

It is an amenable number.

1088921793 is a deficient number, since it is larger than the sum of its proper divisors (371670207).

1088921793 is a wasteful number, since it uses less digits than its factorization.

1088921793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 1088921793 is about 32998.8150241793. The cubic root of 1088921793 is about 1028.8030186550.

It can be divided in two parts, 108892 and 1793, that added together give a triangular number (110685 = T₄₇₀).

The spelling of 1088921793 in words is "one billion, eighty-eight million, nine hundred twenty-one thousand, seven hundred ninety-three".