402413 has 4 divisors (see below), whose sum is σ = 439008. Its totient is φ = 365820.

The previous prime is 402403. The next prime is 402419. The reversal of 402413 is 314204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402413 - 2¹⁸ = 140269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402419) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 18281 + ... + 18302.

It is an arithmetic number, because the mean of its divisors is an integer number (109752).

2⁴⁰²⁴¹³ is an apocalyptic number.

It is an amenable number.

402413 is a deficient number, since it is larger than the sum of its proper divisors (36595).

402413 is a wasteful number, since it uses less digits than its factorization.

402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36594.

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

The square root of 402413 is about 634.3603077116. The cubic root of 402413 is about 73.8284925100.

Adding to 402413 its reverse (314204), we get a palindrome (716617).

Subtracting from 402413 its reverse (314204), we obtain a square (88209 = 297²).

The spelling of 402413 in words is "four hundred two thousand, four hundred thirteen".