335389 has 6 divisors (see below), whose sum is σ = 347550. Its totient is φ = 323640.

The previous prime is 335383. The next prime is 335411. The reversal of 335389 is 983533.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 24025 = 558^2 + 155^2 .

It is not a de Polignac number, because 335389 - 2³ = 335381 is a prime.

It is a super-2 number, since 2×335389² = 224971562642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 335389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787 + ... + 1135.

It is an arithmetic number, because the mean of its divisors is an integer number (57925).

2³³⁵³⁸⁹ is an apocalyptic number.

It is an amenable number.

335389 is a deficient number, since it is larger than the sum of its proper divisors (12161).

335389 is an equidigital number, since it uses as much as digits as its factorization.

335389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 380 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 335389 is about 579.1277924604. The cubic root of 335389 is about 69.4783674026.

The spelling of 335389 in words is "three hundred thirty-five thousand, three hundred eighty-nine".