260402 has 4 divisors (see below), whose sum is σ = 390606. Its totient is φ = 130200.

The previous prime is 260399. The next prime is 260411. The reversal of 260402 is 204062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204062 = 2 ⋅102031.

It can be written as a sum of positive squares in only one way, i.e., 241081 + 19321 = 491^2 + 139^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65099 + ... + 65102.

2²⁶⁰⁴⁰² is an apocalyptic number.

260402 is a deficient number, since it is larger than the sum of its proper divisors (130204).

260402 is a wasteful number, since it uses less digits than its factorization.

260402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130203.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 260402 is about 510.2959925377. The cubic root of 260402 is about 63.8579204951.

Adding to 260402 its reverse (204062), we get a palindrome (464464).

The spelling of 260402 in words is "two hundred sixty thousand, four hundred two".