899461229 has 4 divisors (see below), whose sum is σ = 920378976. Its totient is φ = 878543484.

The previous prime is 899461223. The next prime is 899461237. The reversal of 899461229 is 922164998.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 899461229 - 2¹² = 899457133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899461223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10458809 + ... + 10458894.

It is an arithmetic number, because the mean of its divisors is an integer number (230094744).

Almost surely, 2^899461229 is an apocalyptic number.

It is an amenable number.

899461229 is a deficient number, since it is larger than the sum of its proper divisors (20917747).

899461229 is a wasteful number, since it uses less digits than its factorization.

899461229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917746.

The product of its digits is 559872, while the sum is 50.

The square root of 899461229 is about 29991.0191390689. The cubic root of 899461229 is about 965.2966877484.

The spelling of 899461229 in words is "eight hundred ninety-nine million, four hundred sixty-one thousand, two hundred twenty-nine".