99491095 has 16 divisors (see below), whose sum is σ = 130520448. Its totient is φ = 72203040.

The previous prime is 99491071. The next prime is 99491173. The reversal of 99491095 is 59019499.

It is not a de Polignac number, because 99491095 - 2⁹ = 99490583 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 28432 + ... + 31738.

It is an arithmetic number, because the mean of its divisors is an integer number (8157528).

Almost surely, 2^99491095 is an apocalyptic number.

99491095 is a deficient number, since it is larger than the sum of its proper divisors (31029353).

99491095 is a wasteful number, since it uses less digits than its factorization.

99491095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 99491095 is about 9974.5222943257. The cubic root of 99491095 is about 463.3701679852.

It can be divided in two parts, 99 and 491095, that added together give a palindrome (491194).

The spelling of 99491095 in words is "ninety-nine million, four hundred ninety-one thousand, ninety-five".