99419491 has 8 divisors (see below), whose sum is σ = 101230784. Its totient is φ = 97617960.

The previous prime is 99419479. The next prime is 99419513. The reversal of 99419491 is 19491499.

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

It is a cyclic number.

It is not a de Polignac number, because 99419491 - 2²¹ = 97322339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99419401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19936 + ... + 24418.

It is an arithmetic number, because the mean of its divisors is an integer number (12653848).

Almost surely, 2^99419491 is an apocalyptic number.

99419491 is a deficient number, since it is larger than the sum of its proper divisors (1811293).

99419491 is a wasteful number, since it uses less digits than its factorization.

99419491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881.

The product of its digits is 104976, while the sum is 46.

The square root of 99419491 is about 9970.9323034509. The cubic root of 99419491 is about 463.2589784012.

The spelling of 99419491 in words is "ninety-nine million, four hundred nineteen thousand, four hundred ninety-one".