994861920 has 384 divisors, whose sum is σ = 3603640320. Its totient is φ = 228925440.

The previous prime is 994861909. The next prime is 994861969. The reversal of 994861920 is 29168499.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 994861920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7157211 + ... + 7157349.

It is an arithmetic number, because the mean of its divisors is an integer number (9384480).

Almost surely, 2^994861920 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 994861920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801820160).

994861920 is an abundant number, since it is smaller than the sum of its proper divisors (2608778400).

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

994861920 is a wasteful number, since it uses less digits than its factorization.

994861920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 994861920 is about 31541.4318000943. The cubic root of 994861920 is about 998.2843649463.

The spelling of 994861920 in words is "nine hundred ninety-four million, eight hundred sixty-one thousand, nine hundred twenty".