97142208 has 28 divisors (see below), whose sum is σ = 257022600. Its totient is φ = 32380672.

The previous prime is 97142207. The next prime is 97142219. The reversal of 97142208 is 80224179.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97142207) 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 3 ways as a sum of consecutive naturals, for example, 252783 + ... + 253166.

Almost surely, 2^97142208 is an apocalyptic number.

It is an amenable number.

97142208 is an abundant number, since it is smaller than the sum of its proper divisors (159880392).

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

97142208 is a wasteful number, since it uses less digits than its factorization.

97142208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505964 (or 505954 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 97142208 is about 9856.0746750418. The cubic root of 97142208 is about 459.6945167721.

The spelling of 97142208 in words is "ninety-seven million, one hundred forty-two thousand, two hundred eight".