1047456 has 36 divisors (see below), whose sum is σ = 2979522. Its totient is φ = 349056.

The previous prime is 1047419. The next prime is 1047467. The reversal of 1047456 is 6547401.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 7056 = 1020^2 + 84^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1531 + ... + 2106.

2^1047456 is an apocalyptic number.

1047456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1047456 is an abundant number, since it is smaller than the sum of its proper divisors (1932066).

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

1047456 is a wasteful number, since it uses less digits than its factorization.

1047456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1047456 is about 1023.4529788906. The cubic root of 1047456 is about 101.5574831920.

Subtracting 1047456 from its reverse (6547401), we obtain a palindrome (5499945).

The spelling of 1047456 in words is "one million, forty-seven thousand, four hundred fifty-six".