1206386688 has 160 divisors (see below), whose sum is σ = 3523212000. Its totient is φ = 364904448.

The previous prime is 1206386683. The next prime is 1206386693. The reversal of 1206386688 is 8866836021.

It is an interprime number because it is at equal distance from previous prime (1206386683) and next prime (1206386693).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1206386683) 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, 20447203 + ... + 20447261.

It is an arithmetic number, because the mean of its divisors is an integer number (22020075).

Almost surely, 2^1206386688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206386688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761606000).

1206386688 is an abundant number, since it is smaller than the sum of its proper divisors (2316825312).

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

1206386688 is an frugal number, since it uses more digits than its factorization.

1206386688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 1206386688 is about 34733.0777213883. The cubic root of 1206386688 is about 1064.5404757824.

The spelling of 1206386688 in words is "one billion, two hundred six million, three hundred eighty-six thousand, six hundred eighty-eight".