14407146 has 40 divisors (see below), whose sum is σ = 34771044. Its totient is φ = 4432320.

The previous prime is 14407123. The next prime is 14407147. The reversal of 14407146 is 64170441.

It can be written as a sum of positive squares in 2 ways, for example, as 14356521 + 50625 = 3789^2 + 225^2 .

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14407147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1315 + ... + 5526.

Almost surely, 2^14407146 is an apocalyptic number.

14407146 is an abundant number, since it is smaller than the sum of its proper divisors (20363898).

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

14407146 is a wasteful number, since it uses less digits than its factorization.

14407146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868 (or 6859 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 14407146 is about 3795.6746435910. The cubic root of 14407146 is about 243.3283170710.

Adding to 14407146 its reverse (64170441), we get a palindrome (78577587).

It can be divided in two parts, 144071 and 46, that multiplied together give a palindrome (6627266).

The spelling of 14407146 in words is "fourteen million, four hundred seven thousand, one hundred forty-six".