99050905 has 8 divisors (see below), whose sum is σ = 121104072. Its totient is φ = 77745408.

The previous prime is 99050869. The next prime is 99050923. The reversal of 99050905 is 50905099.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11964681 + 87086224 = 3459^2 + 9332^2 .

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 99050905 - 2¹⁵ = 99018137 is a prime.

It is a super-2 number, since 2×99050905² = 19622163562638050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186624 + ... + 187153.

It is an arithmetic number, because the mean of its divisors is an integer number (15138009).

Almost surely, 2^99050905 is an apocalyptic number.

It is an amenable number.

99050905 is a deficient number, since it is larger than the sum of its proper divisors (22053167).

99050905 is a wasteful number, since it uses less digits than its factorization.

99050905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373835.

The product of its (nonzero) digits is 18225, while the sum is 37.

The square root of 99050905 is about 9952.4321148150. The cubic root of 99050905 is about 462.6857768403.

The spelling of 99050905 in words is "ninety-nine million, fifty thousand, nine hundred five".