1478656 has 39 divisors (see below), whose sum is σ = 3120771. Its totient is φ = 700416.

The previous prime is 1478639. The next prime is 1478663. The reversal of 1478656 is 6568741.

The square root of 1478656 is 1216.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (40320) is a multiple of the sum of its prime divisors (21).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 77815 + ... + 77833.

2^1478656 is an apocalyptic number.

1478656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1478656 is the 1216-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478656

1478656 is an abundant number, since it is smaller than the sum of its proper divisors (1642115).

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

1478656 is an frugal number, since it uses more digits than its factorization.

1478656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 21 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The cubic root of 1478656 is about 113.9258777424.

The spelling of 1478656 in words is "one million, four hundred seventy-eight thousand, six hundred fifty-six".