899328434 has 4 divisors (see below), whose sum is σ = 1348992654. Its totient is φ = 449664216.

The previous prime is 899328431. The next prime is 899328461. The reversal of 899328434 is 434823998.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 897182209 + 2146225 = 29953^2 + 1465^2 .

It is not an unprimeable number, because it can be changed into a prime (899328431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224832107 + ... + 224832110.

Almost surely, 2^899328434 is an apocalyptic number.

899328434 is a deficient number, since it is larger than the sum of its proper divisors (449664220).

899328434 is a wasteful number, since it uses less digits than its factorization.

899328434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449664219.

The product of its digits is 1492992, while the sum is 50.

The square root of 899328434 is about 29988.8051445869. The cubic root of 899328434 is about 965.2491804635.

The spelling of 899328434 in words is "eight hundred ninety-nine million, three hundred twenty-eight thousand, four hundred thirty-four".