336445 has 4 divisors (see below), whose sum is σ = 403740. Its totient is φ = 269152.

The previous prime is 336437. The next prime is 336463. The reversal of 336445 is 544633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544633 = 157 ⋅3469.

It can be written as a sum of positive squares in 2 ways, for example, as 68121 + 268324 = 261^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 336445 - 2³ = 336437 is a prime.

It is a super-2 number, since 2×336445² = 226390476050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33640 + ... + 33649.

It is an arithmetic number, because the mean of its divisors is an integer number (100935).

2³³⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

336445 is a deficient number, since it is larger than the sum of its proper divisors (67295).

336445 is an equidigital number, since it uses as much as digits as its factorization.

336445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67294.

The product of its digits is 4320, while the sum is 25.

The square root of 336445 is about 580.0387918062. The cubic root of 336445 is about 69.5512104668.

The spelling of 336445 in words is "three hundred thirty-six thousand, four hundred forty-five".