14978355 has 32 divisors (see below), whose sum is σ = 28339200. Its totient is φ = 6609792.

The previous prime is 14978317. The next prime is 14978357. The reversal of 14978355 is 55387941.

14978355 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 14978355 - 2⁶ = 14978291 is a prime.

It is a super-2 number, since 2×14978355² = 448702237012050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14978357) 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, 586 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^14978355 is an apocalyptic number.

14978355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14978355 is a deficient number, since it is larger than the sum of its proper divisors (13360845).

14978355 is a wasteful number, since it uses less digits than its factorization.

14978355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963.

The product of its digits is 151200, while the sum is 42.

The square root of 14978355 is about 3870.1879799307. The cubic root of 14978355 is about 246.5025255280.

The spelling of 14978355 in words is "fourteen million, nine hundred seventy-eight thousand, three hundred fifty-five".