798185520 has 240 divisors, whose sum is σ = 3019521024. Its totient is φ = 187200000.

The previous prime is 798185477. The next prime is 798185533. The reversal of 798185520 is 25581897.

It is a happy number.

798185520 is a `hidden beast` number, since 7 + 98 + 1 + 8 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243895 + ... + 247145.

Almost surely, 2^798185520 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 798185520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509760512).

798185520 is an abundant number, since it is smaller than the sum of its proper divisors (2221335504).

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

798185520 is a wasteful number, since it uses less digits than its factorization.

798185520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 798185520 is about 28252.1772612307. The cubic root of 798185520 is about 927.6153962636.

The spelling of 798185520 in words is "seven hundred ninety-eight million, one hundred eighty-five thousand, five hundred twenty".