402435 has 32 divisors (see below), whose sum is σ = 783360. Its totient is φ = 194400.

The previous prime is 402419. The next prime is 402443. The reversal of 402435 is 534204.

It is a happy number.

It is not a de Polignac number, because 402435 - 2⁴ = 402419 is a prime.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1350 + ... + 1620.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2⁴⁰²⁴³⁵ is an apocalyptic number.

402435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

402435 is a deficient number, since it is larger than the sum of its proper divisors (380925).

402435 is a wasteful number, since it uses less digits than its factorization.

402435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 402435 is about 634.3776477777. The cubic root of 402435 is about 73.8298378917.

Adding to 402435 its reverse (534204), we get a palindrome (936639).

Subtracting 402435 from its reverse (534204), we obtain a square (131769 = 363²).

The spelling of 402435 in words is "four hundred two thousand, four hundred thirty-five".