1994214284 has 24 divisors (see below), whose sum is σ = 3514840560. Its totient is φ = 990000576.

The previous prime is 1994214281. The next prime is 1994214307. The reversal of 1994214284 is 4824124991.

It is a super-2 number, since 2×1994214284² = 7953781221019265312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1994214281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327314 + ... + 333350.

It is an arithmetic number, because the mean of its divisors is an integer number (146451690).

Almost surely, 2^1994214284 is an apocalyptic number.

It is an amenable number.

1994214284 is a deficient number, since it is larger than the sum of its proper divisors (1520626276).

1994214284 is a wasteful number, since it uses less digits than its factorization.

1994214284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617 (or 6615 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 1994214284 is about 44656.6264287843. The cubic root of 1994214284 is about 1258.7049522445.

The spelling of 1994214284 in words is "one billion, nine hundred ninety-four million, two hundred fourteen thousand, two hundred eighty-four".