97447536 has 100 divisors (see below), whose sum is σ = 298699632. Its totient is φ = 30564864.

The previous prime is 97447531. The next prime is 97447577. The reversal of 97447536 is 63574479.

97447536 is a `hidden beast` number, since 9 + 74 + 47 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 97447491 and 97447500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97447531) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19821 + ... + 24243.

Almost surely, 2^97447536 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 97447536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149349816).

97447536 is an abundant number, since it is smaller than the sum of its proper divisors (201252096).

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

97447536 is a wasteful number, since it uses less digits than its factorization.

97447536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460 (or 4445 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 97447536 is about 9871.5518536854. The cubic root of 97447536 is about 460.1756355144.

The spelling of 97447536 in words is "ninety-seven million, four hundred forty-seven thousand, five hundred thirty-six".