1339940 has 48 divisors (see below), whose sum is σ = 3411072. Its totient is φ = 431616.

The previous prime is 1339931. The next prime is 1339951. The reversal of 1339940 is 499331.

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, 2099 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (71064).

2^1339940 is an apocalyptic number.

1339940 is a gapful number since it is divisible by the number (10) 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 1339940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1705536).

1339940 is an abundant number, since it is smaller than the sum of its proper divisors (2071132).

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

1339940 is a wasteful number, since it uses less digits than its factorization.

1339940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1339940 is about 1157.5577739361. The cubic root of 1339940 is about 110.2457316372.

The spelling of 1339940 in words is "one million, three hundred thirty-nine thousand, nine hundred forty".