1093646620 has 48 divisors (see below), whose sum is σ = 2508026976. Its totient is φ = 397280000.

The previous prime is 1093646591. The next prime is 1093646621. The reversal of 1093646620 is 266463901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1093646620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093646621) 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, 284310 + ... + 288130.

It is an arithmetic number, because the mean of its divisors is an integer number (52250562).

Almost surely, 2^1093646620 is an apocalyptic number.

1093646620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093646620 is an abundant number, since it is smaller than the sum of its proper divisors (1414380356).

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

1093646620 is a wasteful number, since it uses less digits than its factorization.

1093646620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142 (or 5140 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1093646620 is about 33070.3283926846. The cubic root of 1093646620 is about 1030.2888623313.

The spelling of 1093646620 in words is "one billion, ninety-three million, six hundred forty-six thousand, six hundred twenty".