3399940 has 24 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 1349088.

The previous prime is 3399937. The next prime is 3399941. The reversal of 3399940 is 499933.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3399940.

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, 2169 + ... + 3391.

It is an arithmetic number, because the mean of its divisors is an integer number (299880).

Almost surely, 2^3399940 is an apocalyptic number.

It is an amenable number.

3399940 is an abundant number, since it is smaller than the sum of its proper divisors (3797180).

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

3399940 is a wasteful number, since it uses less digits than its factorization.

3399940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 3399940 is about 1843.8926216025. The cubic root of 3399940 is about 150.3685750891.

The spelling of 3399940 in words is "three million, three hundred ninety-nine thousand, nine hundred forty".