1355406 has 16 divisors (see below), whose sum is σ = 2919504. Its totient is φ = 417024.

The previous prime is 1355401. The next prime is 1355423. The reversal of 1355406 is 6045531.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8611 + ... + 8766.

It is an arithmetic number, because the mean of its divisors is an integer number (182469).

2^1355406 is an apocalyptic number.

1355406 is an abundant number, since it is smaller than the sum of its proper divisors (1564098).

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

1355406 is a wasteful number, since it uses less digits than its factorization.

1355406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1355406 is about 1164.2190515534. The cubic root of 1355406 is about 110.6682734723.

The spelling of 1355406 in words is "one million, three hundred fifty-five thousand, four hundred six".