899228400 has 360 divisors, whose sum is σ = 3441748464. Its totient is φ = 199987200.

The previous prime is 899228357. The next prime is 899228411. The reversal of 899228400 is 4822998.

It is a super-2 number, since 2×899228400² = 1617223430733120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2410614 + ... + 2410986.

Almost surely, 2^899228400 is an apocalyptic number.

899228400 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 899228400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720874232).

899228400 is an abundant number, since it is smaller than the sum of its proper divisors (2542520064).

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

899228400 is a wasteful number, since it uses less digits than its factorization.

899228400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 899228400 is about 29987.1372424912. The cubic root of 899228400 is about 965.2133903068.

The spelling of 899228400 in words is "eight hundred ninety-nine million, two hundred twenty-eight thousand, four hundred".