994419720 has 768 divisors, whose sum is σ = 4333824000. Its totient is φ = 201180672.

The previous prime is 994419623. The next prime is 994419721. The reversal of 994419720 is 27914499.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (994419721) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23126019 + ... + 23126061.

It is an arithmetic number, because the mean of its divisors is an integer number (5643000).

Almost surely, 2^994419720 is an apocalyptic number.

994419720 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 994419720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166912000).

994419720 is an abundant number, since it is smaller than the sum of its proper divisors (3339404280).

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

994419720 is a wasteful number, since it uses less digits than its factorization.

994419720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 994419720 is about 31534.4211933563. The cubic root of 994419720 is about 998.1364359530.

The spelling of 994419720 in words is "nine hundred ninety-four million, four hundred nineteen thousand, seven hundred twenty".