97830394 has 8 divisors (see below), whose sum is σ = 146840148. Its totient is φ = 48883680.

The previous prime is 97830377. The next prime is 97830413. The reversal of 97830394 is 49303879.

It can be written as a sum of positive squares in 2 ways, for example, as 72880369 + 24950025 = 8537^2 + 4995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 97830394.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11667 + ... + 18214.

Almost surely, 2^97830394 is an apocalyptic number.

97830394 is a deficient number, since it is larger than the sum of its proper divisors (49009754).

97830394 is a wasteful number, since it uses less digits than its factorization.

97830394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31520.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 97830394 is about 9890.9248303685. The cubic root of 97830394 is about 460.7775036288. Note that the first 3 decimals are identical.

The spelling of 97830394 in words is "ninety-seven million, eight hundred thirty thousand, three hundred ninety-four".