899679744 has 160 divisors (see below), whose sum is σ = 2686970880. Its totient is φ = 297216000.

The previous prime is 899679743. The next prime is 899679757. The reversal of 899679744 is 447976998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899679743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2087209 + ... + 2087639.

It is an arithmetic number, because the mean of its divisors is an integer number (16793568).

Almost surely, 2^899679744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899679744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1343485440).

899679744 is an abundant number, since it is smaller than the sum of its proper divisors (1787291136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899679744 is a wasteful number, since it uses less digits than its factorization.

899679744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 587 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 899679744 is about 29994.6619250826. The cubic root of 899679744 is about 965.3748511051.

The spelling of 899679744 in words is "eight hundred ninety-nine million, six hundred seventy-nine thousand, seven hundred forty-four".