97830398 has 16 divisors (see below), whose sum is σ = 152087760. Its totient is φ = 47140800.

The previous prime is 97830377. The next prime is 97830413. The reversal of 97830398 is 89303879.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38858 + ... + 41298.

It is an arithmetic number, because the mean of its divisors is an integer number (9505485).

Almost surely, 2^97830398 is an apocalyptic number.

97830398 is a deficient number, since it is larger than the sum of its proper divisors (54257362).

97830398 is a wasteful number, since it uses less digits than its factorization.

97830398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 97830398 is about 9890.9250325741. The cubic root of 97830398 is about 460.7775099088. Note that the first 3 decimals are identical.

The spelling of 97830398 in words is "ninety-seven million, eight hundred thirty thousand, three hundred ninety-eight".