99940395 has 16 divisors (see below), whose sum is σ = 162616320. Its totient is φ = 52397664.

The previous prime is 99940369. The next prime is 99940429. The reversal of 99940395 is 59304999.

It is not a de Polignac number, because 99940395 - 2⁹ = 99939883 is a prime.

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, 55579 + ... + 57348.

It is an arithmetic number, because the mean of its divisors is an integer number (10163520).

Almost surely, 2^99940395 is an apocalyptic number.

99940395 is a deficient number, since it is larger than the sum of its proper divisors (62675925).

99940395 is a wasteful number, since it uses less digits than its factorization.

99940395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112994.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 99940395 is about 9997.0193057731. The cubic root of 99940395 is about 464.0666443984.

The spelling of 99940395 in words is "ninety-nine million, nine hundred forty thousand, three hundred ninety-five".