97561424 has 20 divisors (see below), whose sum is σ = 189184320. Its totient is φ = 48739680.

The previous prime is 97561421. The next prime is 97561439. The reversal of 97561424 is 42416579.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97561421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28307 + ... + 31565.

It is an arithmetic number, because the mean of its divisors is an integer number (9459216).

Almost surely, 2^97561424 is an apocalyptic number.

It is an amenable number.

97561424 is a deficient number, since it is larger than the sum of its proper divisors (91622896).

97561424 is a wasteful number, since it uses less digits than its factorization.

97561424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138 (or 5132 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 97561424 is about 9877.3186644959. The cubic root of 97561424 is about 460.3548364855.

The spelling of 97561424 in words is "ninety-seven million, five hundred sixty-one thousand, four hundred twenty-four".