899698441 has 4 divisors (see below), whose sum is σ = 899763984. Its totient is φ = 899632900.

The previous prime is 899698403. The next prime is 899698447. The reversal of 899698441 is 144896998.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 144896998 = 2 ⋅72448499.

It is a cyclic number.

It is not a de Polignac number, because 899698441 - 2⁷ = 899698313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899698447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415 + ... + 42556.

It is an arithmetic number, because the mean of its divisors is an integer number (224940996).

Almost surely, 2^899698441 is an apocalyptic number.

It is an amenable number.

899698441 is a deficient number, since it is larger than the sum of its proper divisors (65543).

899698441 is a wasteful number, since it uses less digits than its factorization.

899698441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65542.

The product of its digits is 4478976, while the sum is 58.

The square root of 899698441 is about 29994.9735955876. The cubic root of 899698441 is about 965.3815384805.

The spelling of 899698441 in words is "eight hundred ninety-nine million, six hundred ninety-eight thousand, four hundred forty-one".