1096591920 has 40 divisors (see below), whose sum is σ = 3399435696. Its totient is φ = 292424448.

The previous prime is 1096591901. The next prime is 1096591927. The reversal of 1096591920 is 291956901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1096591927) 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, 2284327 + ... + 2284806.

Almost surely, 2^1096591920 is an apocalyptic number.

1096591920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1096591920 is an abundant number, since it is smaller than the sum of its proper divisors (2302843776).

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

1096591920 is a wasteful number, since it uses less digits than its factorization.

1096591920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569149 (or 4569143 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 1096591920 is about 33114.8293065207. The cubic root of 1096591920 is about 1031.2129236992.

The spelling of 1096591920 in words is "one billion, ninety-six million, five hundred ninety-one thousand, nine hundred twenty".