994473900 has 216 divisors, whose sum is σ = 3646266624. Its totient is φ = 221961600.

The previous prime is 994473877. The next prime is 994473913. The reversal of 994473900 is 9374499.

994473900 is a `hidden beast` number, since 9 + 94 + 473 + 90 + 0 = 666.

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

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, 269065 + ... + 272735.

It is an arithmetic number, because the mean of its divisors is an integer number (16880864).

Almost surely, 2^994473900 is an apocalyptic number.

994473900 is a gapful number since it is divisible by the number (90) 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 994473900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823133312).

994473900 is an abundant number, since it is smaller than the sum of its proper divisors (2651792724).

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

994473900 is a wasteful number, since it uses less digits than its factorization.

994473900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 994473900 is about 31535.2802429279. The cubic root of 994473900 is about 998.1545631244.

The spelling of 994473900 in words is "nine hundred ninety-four million, four hundred seventy-three thousand, nine hundred".