97851650 has 48 divisors (see below), whose sum is σ = 200237184. Its totient is φ = 35350080.

The previous prime is 97851647. The next prime is 97851659. The reversal of 97851650 is 5615879.

It is a junction number, because it is equal to n+sod(n) for n = 97851598 and 97851607.

It is not an unprimeable number, because it can be changed into a prime (97851659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28949 + ... + 32151.

It is an arithmetic number, because the mean of its divisors is an integer number (4171608).

Almost surely, 2^97851650 is an apocalyptic number.

97851650 is an abundant number, since it is smaller than the sum of its proper divisors (102385534).

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

97851650 is a wasteful number, since it uses less digits than its factorization.

97851650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 97851650 is about 9891.9992923574. Note that the first 3 decimals coincide. The cubic root of 97851650 is about 460.8108728677.

The spelling of 97851650 in words is "ninety-seven million, eight hundred fifty-one thousand, six hundred fifty".