994561624 has 24 divisors (see below), whose sum is σ = 2169261540. Its totient is φ = 426240528.

The previous prime is 994561571. The next prime is 994561657. The reversal of 994561624 is 426165499.

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 5 ways as a sum of consecutive naturals, for example, 1268182 + ... + 1268965.

Almost surely, 2^994561624 is an apocalyptic number.

It is an amenable number.

994561624 is an abundant number, since it is smaller than the sum of its proper divisors (1174699916).

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

994561624 is a wasteful number, since it uses less digits than its factorization.

994561624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537167 (or 2537156 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 994561624 is about 31536.6710988969. The cubic root of 994561624 is about 998.1839118203.

The spelling of 994561624 in words is "nine hundred ninety-four million, five hundred sixty-one thousand, six hundred twenty-four".