97919436 has 12 divisors (see below), whose sum is σ = 228478712. Its totient is φ = 32639808.

The previous prime is 97919431. The next prime is 97919443. The reversal of 97919436 is 63491979.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (97919431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079965 + ... + 4079988.

Almost surely, 2^97919436 is an apocalyptic number.

It is an amenable number.

97919436 is an abundant number, since it is smaller than the sum of its proper divisors (130559276).

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

97919436 is a wasteful number, since it uses less digits than its factorization.

97919436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159960 (or 8159958 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 97919436 is about 9895.4250035054. The cubic root of 97919436 is about 460.9172560700.

The spelling of 97919436 in words is "ninety-seven million, nine hundred nineteen thousand, four hundred thirty-six".