990453200 has 120 divisors (see below), whose sum is σ = 2613704736. Its totient is φ = 357696000.

The previous prime is 990453187. The next prime is 990453221. The reversal of 990453200 is 2354099.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716510 + ... + 717890.

Almost surely, 2^990453200 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 990453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306852368).

990453200 is an abundant number, since it is smaller than the sum of its proper divisors (1623251536).

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

990453200 is a wasteful number, since it uses less digits than its factorization.

990453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 990453200 is about 31471.4664418422. The cubic root of 990453200 is about 996.8075524575.

The spelling of 990453200 in words is "nine hundred ninety million, four hundred fifty-three thousand, two hundred".