1580416 has 16 divisors (see below), whose sum is σ = 3148740. Its totient is φ = 790144.

The previous prime is 1580393. The next prime is 1580417. The reversal of 1580416 is 6140851.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1580417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6046 + ... + 6301.

2^1580416 is an apocalyptic number.

1580416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1580416 is a deficient number, since it is larger than the sum of its proper divisors (1568324).

1580416 is an equidigital number, since it uses as much as digits as its factorization.

1580416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12361 (or 12349 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1580416 is about 1257.1459740221. The cubic root of 1580416 is about 116.4815495104.

The spelling of 1580416 in words is "one million, five hundred eighty thousand, four hundred sixteen".