1994654 has 4 divisors (see below), whose sum is σ = 2991984. Its totient is φ = 997326.

The previous prime is 1994651. The next prime is 1994659. The reversal of 1994654 is 4564991.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498662 + ... + 498665.

It is an arithmetic number, because the mean of its divisors is an integer number (747996).

2^1994654 is an apocalyptic number.

1994654 is a deficient number, since it is larger than the sum of its proper divisors (997330).

1994654 is an equidigital number, since it uses as much as digits as its factorization.

1994654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997329.

The product of its digits is 38880, while the sum is 38.

The square root of 1994654 is about 1412.3222011991. The cubic root of 1994654 is about 125.8797458524.

The spelling of 1994654 in words is "one million, nine hundred ninety-four thousand, six hundred fifty-four".