13840902 has 16 divisors (see below), whose sum is σ = 30757680. Its totient is φ = 4613616.

The previous prime is 13840877. The next prime is 13840909. The reversal of 13840902 is 20904831.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840909) 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, 128103 + ... + 128210.

It is an arithmetic number, because the mean of its divisors is an integer number (1922355).

Almost surely, 2^13840902 is an apocalyptic number.

13840902 is an abundant number, since it is smaller than the sum of its proper divisors (16916778).

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

13840902 is a wasteful number, since it uses less digits than its factorization.

13840902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256324 (or 256318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13840902 is about 3720.3362751235. The cubic root of 13840902 is about 240.0977726634.

The spelling of 13840902 in words is "thirteen million, eight hundred forty thousand, nine hundred two".