1092945408 has 80 divisors (see below), whose sum is σ = 2948858880. Its totient is φ = 359663616.

The previous prime is 1092945407. The next prime is 1092945431. The reversal of 1092945408 is 8045492901.

It is a self number, because there is not a number n which added to its sum of digits gives 1092945408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092945407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116841 + ... + 125847.

It is an arithmetic number, because the mean of its divisors is an integer number (36860736).

Almost surely, 2^1092945408 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 1092945408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474429440).

1092945408 is an abundant number, since it is smaller than the sum of its proper divisors (1855913472).

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

1092945408 is an frugal number, since it uses more digits than its factorization.

1092945408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107 (or 9091 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1092945408 is about 33059.7248627390. The cubic root of 1092945408 is about 1030.0686189243.

The spelling of 1092945408 in words is "one billion, ninety-two million, nine hundred forty-five thousand, four hundred eight".