97609536 has 140 divisors (see below), whose sum is σ = 304881280. Its totient is φ = 30792960.

The previous prime is 97609507. The next prime is 97609543. The reversal of 97609536 is 63590679.

97609536 is a `hidden beast` number, since 9 + 7 + 609 + 5 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 97609491 and 97609500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98001 + ... + 98991.

Almost surely, 2^97609536 is an apocalyptic number.

97609536 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97609536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152440640).

97609536 is an abundant number, since it is smaller than the sum of its proper divisors (207271744).

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

97609536 is a wasteful number, since it uses less digits than its factorization.

97609536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 97609536 is about 9879.7538430874. The cubic root of 97609536 is about 460.4304980573.

The spelling of 97609536 in words is "ninety-seven million, six hundred nine thousand, five hundred thirty-six".