994455 has 72 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 403200.

The previous prime is 994453. The next prime is 994457. The reversal of 994455 is 554499.

994455 = T₁₆₂ + T₁₆₃ + ... + T₂₁₆.

It is an interprime number because it is at equal distance from previous prime (994453) and next prime (994457).

It is not a de Polignac number, because 994455 - 2¹ = 994453 is a prime.

994455 is a lucky number.

It is a zygodrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994455.

It is not an unprimeable number, because it can be changed into a prime (994453) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24235 + ... + 24275.

It is an arithmetic number, because the mean of its divisors is an integer number (31122).

2⁹⁹⁴⁴⁵⁵ is an apocalyptic number.

994455 is an abundant number, since it is smaller than the sum of its proper divisors (1246329).

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

994455 is a wasteful number, since it uses less digits than its factorization.

994455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 67 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 994455 is about 997.2236459290. The cubic root of 994455 is about 99.8148239767.

It can be divided in two parts, 9944 and 55, that added together give a palindrome (9999).

The spelling of 994455 in words is "nine hundred ninety-four thousand, four hundred fifty-five".