1084763840 has 112 divisors (see below), whose sum is σ = 2637312480. Its totient is φ = 424919040.

The previous prime is 1084763819. The next prime is 1084763857. The reversal of 1084763840 is 483674801.

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, 4736846 + ... + 4737074.

Almost surely, 2^1084763840 is an apocalyptic number.

1084763840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1084763840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318656240).

1084763840 is an abundant number, since it is smaller than the sum of its proper divisors (1552548640).

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

1084763840 is a wasteful number, since it uses less digits than its factorization.

1084763840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1084763840 is about 32935.7532174383. The cubic root of 1084763840 is about 1027.4918835185.

The spelling of 1084763840 in words is "one billion, eighty-four million, seven hundred sixty-three thousand, eight hundred forty".