994432 has 32 divisors (see below), whose sum is σ = 2102220. Its totient is φ = 466944.

The previous prime is 994417. The next prime is 994447. The reversal of 994432 is 234499.

It is an interprime number because it is at equal distance from previous prime (994417) and next prime (994447).

It can be written as a sum of positive squares in 2 ways, for example, as 876096 + 118336 = 936^2 + 344^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 994394 and 994403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948 + ... + 2404.

2⁹⁹⁴⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1051110).

994432 is an abundant number, since it is smaller than the sum of its proper divisors (1107788).

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

994432 is a wasteful number, since it uses less digits than its factorization.

994432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 476 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 994432 is about 997.2121138454. The cubic root of 994432 is about 99.8140544569.

The spelling of 994432 in words is "nine hundred ninety-four thousand, four hundred thirty-two".