1556466 has 8 divisors (see below), whose sum is σ = 3112944. Its totient is φ = 518820.

The previous prime is 1556453. The next prime is 1556473. The reversal of 1556466 is 6646551.

It is a sphenic number, since it is the product of 3 distinct primes.

1556466 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129700 + ... + 129711.

It is an arithmetic number, because the mean of its divisors is an integer number (389118).

2^1556466 is an apocalyptic number.

1556466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1556466 is a wasteful number, since it uses less digits than its factorization.

1556466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259416.

The product of its digits is 21600, while the sum is 33.

The square root of 1556466 is about 1247.5840653038. The cubic root of 1556466 is about 115.8901556290.

The spelling of 1556466 in words is "one million, five hundred fifty-six thousand, four hundred sixty-six".