1954668 has 12 divisors (see below), whose sum is σ = 4560920. Its totient is φ = 651552.

The previous prime is 1954661. The next prime is 1954679. The reversal of 1954668 is 8664591.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1954661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 81433 + ... + 81456.

2^1954668 is an apocalyptic number.

It is an amenable number.

1954668 is an abundant number, since it is smaller than the sum of its proper divisors (2606252).

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

1954668 is a wasteful number, since it uses less digits than its factorization.

1954668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162896 (or 162894 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 1954668 is about 1398.0944174125. The cubic root of 1954668 is about 125.0329086687.

The spelling of 1954668 in words is "one million, nine hundred fifty-four thousand, six hundred sixty-eight".