14989905 has 48 divisors (see below), whose sum is σ = 31000320. Its totient is φ = 6551424.

The previous prime is 14989901. The next prime is 14989913. The reversal of 14989905 is 50998941.

14989905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14989905 - 2² = 14989901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14989901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6211 + ... + 8279.

It is an arithmetic number, because the mean of its divisors is an integer number (645840).

Almost surely, 2^14989905 is an apocalyptic number.

14989905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14989905 is an abundant number, since it is smaller than the sum of its proper divisors (16010415).

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

14989905 is a wasteful number, since it uses less digits than its factorization.

14989905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 14989905 is about 3871.6798679643. The cubic root of 14989905 is about 246.5658696595.

The spelling of 14989905 in words is "fourteen million, nine hundred eighty-nine thousand, nine hundred five".