1082920784 has 80 divisors (see below), whose sum is σ = 2378687040. Its totient is φ = 473088000.

The previous prime is 1082920771. The next prime is 1082920831. The reversal of 1082920784 is 4870292801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689104 + ... + 1689744.

It is an arithmetic number, because the mean of its divisors is an integer number (29733588).

Almost surely, 2^1082920784 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 1082920784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189343520).

1082920784 is an abundant number, since it is smaller than the sum of its proper divisors (1295766256).

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

1082920784 is a wasteful number, since it uses less digits than its factorization.

1082920784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1082920784 is about 32907.7617591960. The cubic root of 1082920784 is about 1026.9096374023.

It can be divided in two parts, 10829 and 20784, that multiplied together give a triangular number (225069936 = T₂₁₂₁₆).

The spelling of 1082920784 in words is "one billion, eighty-two million, nine hundred twenty thousand, seven hundred eighty-four".