1478678 has 8 divisors (see below), whose sum is σ = 2228472. Its totient is φ = 735856.

The previous prime is 1478663. The next prime is 1478683. The reversal of 1478678 is 8768741.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (278559).

2^1478678 is an apocalyptic number.

1478678 is a deficient number, since it is larger than the sum of its proper divisors (749794).

1478678 is a wasteful number, since it uses less digits than its factorization.

1478678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486.

The product of its digits is 75264, while the sum is 41.

The square root of 1478678 is about 1216.0090460190. The cubic root of 1478678 is about 113.9264427503.

The spelling of 1478678 in words is "one million, four hundred seventy-eight thousand, six hundred seventy-eight".