1355436 has 36 divisors (see below), whose sum is σ = 3577392. Its totient is φ = 431904.

The previous prime is 1355429. The next prime is 1355443. The reversal of 1355436 is 6345531.

It is an interprime number because it is at equal distance from previous prime (1355429) and next prime (1355443).

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (99372).

2^1355436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788696).

1355436 is an abundant number, since it is smaller than the sum of its proper divisors (2221956).

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

1355436 is a wasteful number, since it uses less digits than its factorization.

1355436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1665 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1355436 is about 1164.2319356554. The cubic root of 1355436 is about 110.6690899616.

The spelling of 1355436 in words is "one million, three hundred fifty-five thousand, four hundred thirty-six".