1345838 has 16 divisors (see below), whose sum is σ = 2234400. Its totient is φ = 603936.

The previous prime is 1345811. The next prime is 1345859. The reversal of 1345838 is 8385431.

It is a happy number.

It is a super-2 number, since 2×1345838² = 3622559844488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 263 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (139650).

2^1345838 is an apocalyptic number.

1345838 is a deficient number, since it is larger than the sum of its proper divisors (888562).

1345838 is a wasteful number, since it uses less digits than its factorization.

1345838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its digits is 11520, while the sum is 32.

The square root of 1345838 is about 1160.1025816711. The cubic root of 1345838 is about 110.4072507140.

The spelling of 1345838 in words is "one million, three hundred forty-five thousand, eight hundred thirty-eight".