1994284 has 24 divisors (see below), whose sum is σ = 3719520. Its totient is φ = 933504.

The previous prime is 1994227. The next prime is 1994299. The reversal of 1994284 is 4824991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4672 + ... + 5080.

It is an arithmetic number, because the mean of its divisors is an integer number (154980).

2^1994284 is an apocalyptic number.

It is an amenable number.

1994284 is a deficient number, since it is larger than the sum of its proper divisors (1725236).

1994284 is a wasteful number, since it uses less digits than its factorization.

1994284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1994284 is about 1412.1912051843. The cubic root of 1994284 is about 125.8719619818.

It can be divided in two parts, 1994 and 284, that added together give a triangular number (2278 = T₆₇).

The spelling of 1994284 in words is "one million, nine hundred ninety-four thousand, two hundred eighty-four".