3399945 has 8 divisors (see below), whose sum is σ = 5439936. Its totient is φ = 1813296.

The previous prime is 3399943. The next prime is 3399959. The reversal of 3399945 is 5499933.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3399945 - 2¹ = 3399943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3399897 and 3399906.

It is not an unprimeable number, because it can be changed into a prime (3399941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113317 + ... + 113346.

It is an arithmetic number, because the mean of its divisors is an integer number (679992).

Almost surely, 2^3399945 is an apocalyptic number.

It is an amenable number.

3399945 is a deficient number, since it is larger than the sum of its proper divisors (2039991).

3399945 is a wasteful number, since it uses less digits than its factorization.

3399945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226671.

The product of its digits is 131220, while the sum is 42.

The square root of 3399945 is about 1843.8939774293. The cubic root of 3399945 is about 150.3686488004.

The spelling of 3399945 in words is "three million, three hundred ninety-nine thousand, nine hundred forty-five".