97884020 has 24 divisors (see below), whose sum is σ = 221369064. Its totient is φ = 36141696.

The previous prime is 97884013. The next prime is 97884023. The reversal of 97884020 is 2048879.

It can be written as a sum of positive squares in 4 ways, for example, as 309136 + 97574884 = 556^2 + 9878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97884023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187979 + ... + 188498.

It is an arithmetic number, because the mean of its divisors is an integer number (9223711).

Almost surely, 2^97884020 is an apocalyptic number.

It is an amenable number.

97884020 is an abundant number, since it is smaller than the sum of its proper divisors (123485044).

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

97884020 is a wasteful number, since it uses less digits than its factorization.

97884020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376499 (or 376497 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 97884020 is about 9893.6353278257. The cubic root of 97884020 is about 460.8616804028.

The spelling of 97884020 in words is "ninety-seven million, eight hundred eighty-four thousand, twenty".