1478456 has 32 divisors (see below), whose sum is σ = 3356640. Its totient is φ = 595968.

The previous prime is 1478443. The next prime is 1478459. The reversal of 1478456 is 6548741.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 176 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (104895).

2^1478456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678320).

1478456 is an abundant number, since it is smaller than the sum of its proper divisors (1878184).

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

1478456 is a wasteful number, since it uses less digits than its factorization.

1478456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1579 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 1478456 is about 1215.9177603769. The cubic root of 1478456 is about 113.9207410501.

The spelling of 1478456 in words is "one million, four hundred seventy-eight thousand, four hundred fifty-six".