994152420 has 192 divisors, whose sum is σ = 3212455680. Its totient is φ = 255052800.

The previous prime is 994152403. The next prime is 994152421. The reversal of 994152420 is 24251499.

994152420 is a `hidden beast` number, since 99 + 41 + 524 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (994152421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1837350 + ... + 1837890.

It is an arithmetic number, because the mean of its divisors is an integer number (16731540).

Almost surely, 2^994152420 is an apocalyptic number.

994152420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994152420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606227840).

994152420 is an abundant number, since it is smaller than the sum of its proper divisors (2218303260).

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

994152420 is a wasteful number, since it uses less digits than its factorization.

994152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 994152420 is about 31530.1826826297. The cubic root of 994152420 is about 998.0469949209.

The spelling of 994152420 in words is "nine hundred ninety-four million, one hundred fifty-two thousand, four hundred twenty".