1478842 has 8 divisors (see below), whose sum is σ = 2240532. Its totient is φ = 732000.

The previous prime is 1478839. The next prime is 1478843. The reversal of 1478842 is 2488741.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 12321 = 1211^2 + 111^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1478798 and 1478807.

It is not an unprimeable number, because it can be changed into a prime (1478843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459 + ... + 3862.

2^1478842 is an apocalyptic number.

1478842 is a deficient number, since it is larger than the sum of its proper divisors (761690).

1478842 is a wasteful number, since it uses less digits than its factorization.

1478842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424.

The product of its digits is 14336, while the sum is 34.

The square root of 1478842 is about 1216.0764778582. The cubic root of 1478842 is about 113.9306544507.

The spelling of 1478842 in words is "one million, four hundred seventy-eight thousand, eight hundred forty-two".