97829998 has 16 divisors (see below), whose sum is σ = 172242144. Its totient is φ = 40793760.

The previous prime is 97829989. The next prime is 97830037. The reversal of 97829998 is 89992879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93913 + ... + 94948.

It is an arithmetic number, because the mean of its divisors is an integer number (10765134).

Almost surely, 2^97829998 is an apocalyptic number.

97829998 is a deficient number, since it is larger than the sum of its proper divisors (74412146).

97829998 is a wasteful number, since it uses less digits than its factorization.

97829998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188907.

The product of its digits is 5878656, while the sum is 61.

The square root of 97829998 is about 9890.9048119977. The cubic root of 97829998 is about 460.7768819129.

It can be divided in two parts, 978 and 29998, that added together give a square (30976 = 176²).

The spelling of 97829998 in words is "ninety-seven million, eight hundred twenty-nine thousand, nine hundred ninety-eight".