1355556 has 24 divisors (see below), whose sum is σ = 3203424. Its totient is φ = 446080.

The previous prime is 1355533. The next prime is 1355573. The reversal of 1355556 is 6555531.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (133476).

2^1355556 is an apocalyptic number.

It is an amenable number.

1355556 is an abundant number, since it is smaller than the sum of its proper divisors (1847868).

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

1355556 is a wasteful number, since it uses less digits than its factorization.

1355556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1449 counting only the distinct ones).

The product of its digits is 11250, while the sum is 30.

The square root of 1355556 is about 1164.2834706376. The cubic root of 1355556 is about 110.6723557986.

The spelling of 1355556 in words is "one million, three hundred fifty-five thousand, five hundred fifty-six".