14478004 has 6 divisors (see below), whose sum is σ = 25336514. Its totient is φ = 7239000.

The previous prime is 14478001. The next prime is 14478007. The reversal of 14478004 is 40087441.

It is an interprime number because it is at equal distance from previous prime (14478001) and next prime (14478007).

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 6749604 = 2780^2 + 2598^2 .

It is a super-2 number, since 2×14478004² = 419225199648032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14478001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809747 + ... + 1809754.

Almost surely, 2^14478004 is an apocalyptic number.

It is an amenable number.

14478004 is a deficient number, since it is larger than the sum of its proper divisors (10858510).

14478004 is a wasteful number, since it uses less digits than its factorization.

14478004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619505 (or 3619503 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 14478004 is about 3804.9972404721. The cubic root of 14478004 is about 243.7265816642.

The spelling of 14478004 in words is "fourteen million, four hundred seventy-eight thousand, four".