899346240 has 560 divisors, whose sum is σ = 3671114832. Its totient is φ = 207028224.

The previous prime is 899346233. The next prime is 899346271. The reversal of 899346240 is 42643998.

It can be written as a sum of positive squares in 8 ways, for example, as 44836416 + 854509824 = 6696^2 + 29232^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5728242 + ... + 5728398.

Almost surely, 2^899346240 is an apocalyptic number.

899346240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1835557416).

899346240 is an abundant number, since it is smaller than the sum of its proper divisors (2771768592).

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

899346240 is a wasteful number, since it uses less digits than its factorization.

899346240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 899346240 is about 29989.1020205674. The cubic root of 899346240 is about 965.2555508145.

The spelling of 899346240 in words is "eight hundred ninety-nine million, three hundred forty-six thousand, two hundred forty".