994651200 has 126 divisors (see below), whose sum is σ = 3535276394. Its totient is φ = 265236480.

The previous prime is 994651187. The next prime is 994651223. The reversal of 994651200 is 2156499.

It can be written as a sum of positive squares in 3 ways, for example, as 90326016 + 904325184 = 9504^2 + 30072^2 .

It is a super-2 number, since 2×994651200² = 1978662019322880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20137 + ... + 48936.

Almost surely, 2^994651200 is an apocalyptic number.

994651200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

994651200 is an abundant number, since it is smaller than the sum of its proper divisors (2540625194).

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

994651200 is a wasteful number, since it uses less digits than its factorization.

994651200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69101 (or 69083 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 994651200 is about 31538.0912548620. The cubic root of 994651200 is about 998.2138783354.

The spelling of 994651200 in words is "nine hundred ninety-four million, six hundred fifty-one thousand, two hundred".