1338934460 has 12 divisors (see below), whose sum is σ = 2811762408. Its totient is φ = 535573776.

The previous prime is 1338934459. The next prime is 1338934463. The reversal of 1338934460 is 644398331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338934463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33473342 + ... + 33473381.

It is an arithmetic number, because the mean of its divisors is an integer number (234313534).

Almost surely, 2^1338934460 is an apocalyptic number.

1338934460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338934460 is an abundant number, since it is smaller than the sum of its proper divisors (1472827948).

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

1338934460 is a wasteful number, since it uses less digits than its factorization.

1338934460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66946732 (or 66946730 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 1338934460 is about 36591.4533737046. The cubic root of 1338934460 is about 1102.1814725906.

The spelling of 1338934460 in words is "one billion, three hundred thirty-eight million, nine hundred thirty-four thousand, four hundred sixty".