1238478 has 8 divisors (see below), whose sum is σ = 2476968. Its totient is φ = 412824.

The previous prime is 1238459. The next prime is 1238491. The reversal of 1238478 is 8748321.

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

1238478 is an admirable number.

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, 103201 + ... + 103212.

It is an arithmetic number, because the mean of its divisors is an integer number (309621).

2^1238478 is an apocalyptic number.

1238478 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.

1238478 is a wasteful number, since it uses less digits than its factorization.

1238478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206418.

The product of its digits is 10752, while the sum is 33.

The square root of 1238478 is about 1112.8692645590. The cubic root of 1238478 is about 107.3897336989.

The spelling of 1238478 in words is "one million, two hundred thirty-eight thousand, four hundred seventy-eight".