13984290 has 24 divisors (see below), whose sum is σ = 36359388. Its totient is φ = 3729120.

The previous prime is 13984283. The next prime is 13984291. The reversal of 13984290 is 9248931.

It can be written as a sum of positive squares in 2 ways, for example, as 13461561 + 522729 = 3669^2 + 723^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13984291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77601 + ... + 77780.

Almost surely, 2^13984290 is an apocalyptic number.

13984290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13984290 is an abundant number, since it is smaller than the sum of its proper divisors (22375098).

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

13984290 is a wasteful number, since it uses less digits than its factorization.

13984290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155394 (or 155391 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 13984290 is about 3739.5574604490. The cubic root of 13984290 is about 240.9240418782.

The spelling of 13984290 in words is "thirteen million, nine hundred eighty-four thousand, two hundred ninety".