994887072 has 36 divisors (see below), whose sum is σ = 2829210930. Its totient is φ = 331628928.

The previous prime is 994887059. The next prime is 994887077. The reversal of 994887072 is 270788499.

994887072 is a `hidden beast` number, since 99 + 488 + 7 + 0 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 894967056 + 99920016 = 29916^2 + 9996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (994887077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1726947 + ... + 1727522.

Almost surely, 2^994887072 is an apocalyptic number.

It is an amenable number.

994887072 is an abundant number, since it is smaller than the sum of its proper divisors (1834323858).

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

994887072 is a wasteful number, since it uses less digits than its factorization.

994887072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454485 (or 3454474 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 994887072 is about 31541.8305112433. The cubic root of 994887072 is about 998.2927777174.

It can be divided in two parts, 9948 and 87072, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 994887072 in words is "nine hundred ninety-four million, eight hundred eighty-seven thousand, seventy-two".