854491560 has 256 divisors, whose sum is σ = 2941747200. Its totient is φ = 196826112.

The previous prime is 854491543. The next prime is 854491567. The reversal of 854491560 is 65194458.

It is a super-2 number, since 2×854491560² = 1460311652222467200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (854491567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3764167 + ... + 3764393.

It is an arithmetic number, because the mean of its divisors is an integer number (11491200).

Almost surely, 2^854491560 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 854491560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470873600).

854491560 is an abundant number, since it is smaller than the sum of its proper divisors (2087255640).

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

854491560 is a wasteful number, since it uses less digits than its factorization.

854491560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 854491560 is about 29231.6876009580. The cubic root of 854491560 is about 948.9338214265.

The spelling of 854491560 in words is "eight hundred fifty-four million, four hundred ninety-one thousand, five hundred sixty".