1413978 has 8 divisors (see below), whose sum is σ = 2827968. Its totient is φ = 471324.

The previous prime is 1413959. The next prime is 1413991. The reversal of 1413978 is 8793141.

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

1413978 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 117826 + ... + 117837.

It is an arithmetic number, because the mean of its divisors is an integer number (353496).

2^1413978 is an apocalyptic number.

1413978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1413978 is a wasteful number, since it uses less digits than its factorization.

1413978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235668.

The product of its digits is 6048, while the sum is 33.

The square root of 1413978 is about 1189.1080691005. The cubic root of 1413978 is about 112.2399722856.

The spelling of 1413978 in words is "one million, four hundred thirteen thousand, nine hundred seventy-eight".