97983858 has 32 divisors (see below), whose sum is σ = 226805760. Its totient is φ = 27640080.

The previous prime is 97983829. The next prime is 97983877. The reversal of 97983858 is 85838979.

It is a junction number, because it is equal to n+sod(n) for n = 97983798 and 97983807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11448 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (7087680).

Almost surely, 2^97983858 is an apocalyptic number.

97983858 is an abundant number, since it is smaller than the sum of its proper divisors (128821902).

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

97983858 is a wasteful number, since it uses less digits than its factorization.

97983858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29622.

The product of its digits is 4354560, while the sum is 57.

The square root of 97983858 is about 9898.6796089175. The cubic root of 97983858 is about 461.0183143252.

The spelling of 97983858 in words is "ninety-seven million, nine hundred eighty-three thousand, eight hundred fifty-eight".