994531740 has 48 divisors (see below), whose sum is σ = 2787771168. Its totient is φ = 264914944.

The previous prime is 994531721. The next prime is 994531777. The reversal of 994531740 is 47135499.

It is a junction number, because it is equal to n+sod(n) for n = 994531692 and 994531701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48484 + ... + 65876.

It is an arithmetic number, because the mean of its divisors is an integer number (58078566).

Almost surely, 2^994531740 is an apocalyptic number.

It is an amenable number.

994531740 is an abundant number, since it is smaller than the sum of its proper divisors (1793239428).

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

994531740 is a wasteful number, since it uses less digits than its factorization.

994531740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18358 (or 18356 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 994531740 is about 31536.1972977085. The cubic root of 994531740 is about 998.1739141067.

The spelling of 994531740 in words is "nine hundred ninety-four million, five hundred thirty-one thousand, seven hundred forty".