340402 has 8 divisors (see below), whose sum is σ = 528300. Its totient is φ = 164304.

The previous prime is 340397. The next prime is 340409. The reversal of 340402 is 204043.

It can be written as a sum of positive squares in 2 ways, for example, as 323761 + 16641 = 569^2 + 129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (340409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877 + ... + 2992.

2³⁴⁰⁴⁰² is an apocalyptic number.

340402 is a deficient number, since it is larger than the sum of its proper divisors (187898).

340402 is a wasteful number, since it uses less digits than its factorization.

340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 340402 is about 583.4397998080. The cubic root of 340402 is about 69.8228172025.

Adding to 340402 its reverse (204043), we get a palindrome (544445).

The spelling of 340402 in words is "three hundred forty thousand, four hundred two", and thus it is an iban number.