14078394 has 64 divisors (see below), whose sum is σ = 34577280. Its totient is φ = 4210560.

The previous prime is 14078387. The next prime is 14078399. The reversal of 14078394 is 49387041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14078399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81292 + ... + 81464.

It is an arithmetic number, because the mean of its divisors is an integer number (540270).

Almost surely, 2^14078394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14078394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17288640).

14078394 is an abundant number, since it is smaller than the sum of its proper divisors (20498886).

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

14078394 is a wasteful number, since it uses less digits than its factorization.

14078394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14078394 is about 3752.1186015370. The cubic root of 14078394 is about 241.4632481398.

It can be divided in two parts, 1407 and 8394, that added together give a square (9801 = 99²).

The spelling of 14078394 in words is "fourteen million, seventy-eight thousand, three hundred ninety-four".