994399056 has 60 divisors (see below), whose sum is σ = 3180501792. Its totient is φ = 284113728.

The previous prime is 994399051. The next prime is 994399061. The reversal of 994399056 is 650993499.

It is an interprime number because it is at equal distance from previous prime (994399051) and next prime (994399061).

It is a super-2 number, since 2×994399056² = 1977658965147382272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 994398993 and 994399011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994399051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492246 + ... + 494261.

Almost surely, 2^994399056 is an apocalyptic number.

It is an amenable number.

994399056 is an abundant number, since it is smaller than the sum of its proper divisors (2186102736).

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

994399056 is a wasteful number, since it uses less digits than its factorization.

994399056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986528 (or 986519 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 54.

The square root of 994399056 is about 31534.0935496805. The cubic root of 994399056 is about 998.1295221607.

The spelling of 994399056 in words is "nine hundred ninety-four million, three hundred ninety-nine thousand, fifty-six".