1426478 has 4 divisors (see below), whose sum is σ = 2139720. Its totient is φ = 713238.

The previous prime is 1426471. The next prime is 1426489. The reversal of 1426478 is 8746241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356618 + ... + 356621.

It is an arithmetic number, because the mean of its divisors is an integer number (534930).

2^1426478 is an apocalyptic number.

1426478 is a deficient number, since it is larger than the sum of its proper divisors (713242).

1426478 is an equidigital number, since it uses as much as digits as its factorization.

1426478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713241.

The product of its digits is 10752, while the sum is 32.

The square root of 1426478 is about 1194.3525442682. The cubic root of 1426478 is about 112.5697476954.

The spelling of 1426478 in words is "one million, four hundred twenty-six thousand, four hundred seventy-eight".