3399942 has 48 divisors (see below), whose sum is σ = 8432640. Its totient is φ = 894816.

The previous prime is 3399941. The next prime is 3399943. The reversal of 3399942 is 2499933.

It is an interprime number because it is at equal distance from previous prime (3399941) and next prime (3399943).

It is a Harshad number since it is a multiple of its sum of digits (39).

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 3399942.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6859 + ... + 7337.

It is an arithmetic number, because the mean of its divisors is an integer number (175680).

Almost surely, 2^3399942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3399942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4216320).

3399942 is an abundant number, since it is smaller than the sum of its proper divisors (5032698).

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

3399942 is a wasteful number, since it uses less digits than its factorization.

3399942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 504 counting only the distinct ones).

The product of its digits is 52488, while the sum is 39.

The square root of 3399942 is about 1843.8931639333. The cubic root of 3399942 is about 150.3686045736.

3399942 divided by its sum of digits (39) gives a palindrome (87178).

Subtracting from 3399942 its reverse (2499933), we obtain a palindrome (900009).

The spelling of 3399942 in words is "three million, three hundred ninety-nine thousand, nine hundred forty-two".