1879668 has 36 divisors (see below), whose sum is σ = 5430880. Its totient is φ = 536976.

The previous prime is 1879663. The next prime is 1879723. The reversal of 1879668 is 8669781.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1879663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3478 + ... + 3981.

2^1879668 is an apocalyptic number.

1879668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1879668 is an abundant number, since it is smaller than the sum of its proper divisors (3551212).

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

1879668 is a wasteful number, since it uses less digits than its factorization.

1879668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476 (or 7471 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1879668 is about 1371.0098467918. The cubic root of 1879668 is about 123.4128502721.

The spelling of 1879668 in words is "one million, eight hundred seventy-nine thousand, six hundred sixty-eight".