1061843904 has 196 divisors, whose sum is σ = 3448065240. Its totient is φ = 321615360.

The previous prime is 1061843863. The next prime is 1061843957. The reversal of 1061843904 is 4093481601.

1061843904 is a `hidden beast` number, since 1 + 0 + 618 + 4 + 39 + 0 + 4 = 666.

It is a super-2 number, since 2×1061843904² = 2255024952923922432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 512182 + ... + 514250.

Almost surely, 2^1061843904 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 1061843904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724032620).

1061843904 is an abundant number, since it is smaller than the sum of its proper divisors (2386221336).

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

1061843904 is an equidigital number, since it uses as much as digits as its factorization.

1061843904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1061843904 is about 32585.9464186634. The cubic root of 1061843904 is about 1020.2036963429.

The spelling of 1061843904 in words is "one billion, sixty-one million, eight hundred forty-three thousand, nine hundred four".