1949668 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 828768.

The previous prime is 1949657. The next prime is 1949707. The reversal of 1949668 is 8669491.

It is a congruent 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, 4818 + ... + 5206.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^1949668 is an apocalyptic number.

It is an amenable number.

1949668 is an abundant number, since it is smaller than the sum of its proper divisors (1981532).

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

1949668 is a wasteful number, since it uses less digits than its factorization.

1949668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 577 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 1949668 is about 1396.3051242476. The cubic root of 1949668 is about 124.9262071121.

The spelling of 1949668 in words is "one million, nine hundred forty-nine thousand, six hundred sixty-eight".