14978091 has 8 divisors (see below), whose sum is σ = 20015424. Its totient is φ = 9963080.

The previous prime is 14978059. The next prime is 14978111. The reversal of 14978091 is 19087941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14978091 - 2⁵ = 14978059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14978011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (2501928).

Almost surely, 2^14978091 is an apocalyptic number.

14978091 is a deficient number, since it is larger than the sum of its proper divisors (5037333).

14978091 is a wasteful number, since it uses less digits than its factorization.

14978091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 14978091 is about 3870.1538729100. The cubic root of 14978091 is about 246.5010772815.

The spelling of 14978091 in words is "fourteen million, nine hundred seventy-eight thousand, ninety-one".