1994154 has 16 divisors (see below), whose sum is σ = 4021248. Its totient is φ = 659232.

The previous prime is 1994143. The next prime is 1994191. The reversal of 1994154 is 4514991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (251328).

2^1994154 is an apocalyptic number.

1994154 is an abundant number, since it is smaller than the sum of its proper divisors (2027094).

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

1994154 is a wasteful number, since it uses less digits than its factorization.

1994154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749.

The product of its digits is 6480, while the sum is 33.

The square root of 1994154 is about 1412.1451766727. The cubic root of 1994154 is about 125.8692268797.

The spelling of 1994154 in words is "one million, nine hundred ninety-four thousand, one hundred fifty-four".