9900958394 has 8 divisors (see below), whose sum is σ = 14853751380. Its totient is φ = 4949707936.

The previous prime is 9900958393. The next prime is 9900958409. The reversal of 9900958394 is 4938590099.

It can be written as a sum of positive squares in 2 ways, for example, as 8863281025 + 1037677369 = 94145^2 + 32213^2 .

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

It is not an unprimeable number, because it can be changed into a prime (9900958393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369449 + ... + 395340.

Almost surely, 2^9900958394 is an apocalyptic number.

9900958394 is a deficient number, since it is larger than the sum of its proper divisors (4952792986).

9900958394 is a wasteful number, since it uses less digits than its factorization.

9900958394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771264.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The square root of 9900958394 is about 99503.5597051683. The cubic root of 9900958394 is about 2147.2984560610.

The spelling of 9900958394 in words is "nine billion, nine hundred million, nine hundred fifty-eight thousand, three hundred ninety-four".