1564480 has 28 divisors (see below), whose sum is σ = 3726180. Its totient is φ = 625664.

The previous prime is 1564457. The next prime is 1564487. The reversal of 1564480 is 844651.

1564480 = T₁₉ + T₂₀ + ... + T₂₁₀.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 732736 = 912^2 + 856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564487) 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, 2125 + ... + 2764.

2^1564480 is an apocalyptic number.

1564480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1564480 is an abundant number, since it is smaller than the sum of its proper divisors (2161700).

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

1564480 is an equidigital number, since it uses as much as digits as its factorization.

1564480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906 (or 4896 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1564480 is about 1250.7917492532. The cubic root of 1564480 is about 116.0887153290.

The spelling of 1564480 in words is "one million, five hundred sixty-four thousand, four hundred eighty".