13859946 has 12 divisors (see below), whose sum is σ = 30029922. Its totient is φ = 4619976.

The previous prime is 13859933. The next prime is 13859983. The reversal of 13859946 is 64995831.

It is a happy number.

13859946 is a `hidden beast` number, since 13 + 8 + 599 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 3651921 = 3195^2 + 1911^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384981 + ... + 385016.

Almost surely, 2^13859946 is an apocalyptic number.

13859946 is an abundant number, since it is smaller than the sum of its proper divisors (16169976).

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

13859946 is a wasteful number, since it uses less digits than its factorization.

13859946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770005 (or 770002 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 13859946 is about 3722.8948413835. The cubic root of 13859946 is about 240.2078407906.

The spelling of 13859946 in words is "thirteen million, eight hundred fifty-nine thousand, nine hundred forty-six".