99995406 has 32 divisors (see below), whose sum is σ = 231787008. Its totient is φ = 28166880.

The previous prime is 99995317. The next prime is 99995407. The reversal of 99995406 is 60459999.

It is a super-2 number, since 2×99995406² = 19998162442209672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99995407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13785 + ... + 19748.

It is an arithmetic number, because the mean of its divisors is an integer number (7243344).

Almost surely, 2^99995406 is an apocalyptic number.

99995406 is an abundant number, since it is smaller than the sum of its proper divisors (131791602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99995406 is a wasteful number, since it uses less digits than its factorization.

99995406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33616.

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 99995406 is about 9999.7702973618. The cubic root of 99995406 is about 464.1517754327.

The spelling of 99995406 in words is "ninety-nine million, nine hundred ninety-five thousand, four hundred six".