1355730 has 16 divisors (see below), whose sum is σ = 3253824. Its totient is φ = 361520.

The previous prime is 1355713. The next prime is 1355741. The reversal of 1355730 is 375531.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1355730.

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, 22566 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (203364).

2^1355730 is an apocalyptic number.

1355730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355730 is an abundant number, since it is smaller than the sum of its proper divisors (1898094).

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

1355730 is a wasteful number, since it uses less digits than its factorization.

1355730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45201.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 1355730 is about 1164.3581923103. The cubic root of 1355730 is about 110.6770909198.

The spelling of 1355730 in words is "one million, three hundred fifty-five thousand, seven hundred thirty".