402760 has 16 divisors (see below), whose sum is σ = 906300. Its totient is φ = 161088.

The previous prime is 402757. The next prime is 402761. The reversal of 402760 is 67204.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 15876 = 622^2 + 126^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (402761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4995 + ... + 5074.

2⁴⁰²⁷⁶⁰ is an apocalyptic number.

402760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402760 is an abundant number, since it is smaller than the sum of its proper divisors (503540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402760 is a wasteful number, since it uses less digits than its factorization.

402760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10080 (or 10076 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 402760 is about 634.6337526479. The cubic root of 402760 is about 73.8497071385.

Adding to 402760 its reverse (67204), we get a palindrome (469964).

The spelling of 402760 in words is "four hundred two thousand, seven hundred sixty".