2339940 has 48 divisors (see below), whose sum is σ = 6672960. Its totient is φ = 612480.

The previous prime is 2339933. The next prime is 2339963. The reversal of 2339940 is 499332.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 2²¹ + 3³ + 3¹¹ + 9⁴ + 9⁵ + 4 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2339898 and 2339907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (139020).

2^2339940 is an apocalyptic number.

2339940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2339940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336480).

2339940 is an abundant number, since it is smaller than the sum of its proper divisors (4333020).

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

2339940 is a wasteful number, since it uses less digits than its factorization.

2339940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 2339940 is about 1529.6862423386. The cubic root of 2339940 is about 132.7603047033.

The spelling of 2339940 in words is "two million, three hundred thirty-nine thousand, nine hundred forty".