402412 has 12 divisors (see below), whose sum is σ = 723520. Its totient is φ = 195696.

The previous prime is 402403. The next prime is 402419. The reversal of 402412 is 214204.

It is a junction number, because it is equal to n+sod(n) for n = 402392 and 402401.

It is not an unprimeable number, because it can be changed into a prime (402419) 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, 1212 + ... + 1507.

2⁴⁰²⁴¹² is an apocalyptic number.

It is an amenable number.

402412 is a deficient number, since it is larger than the sum of its proper divisors (321108).

402412 is a wasteful number, since it uses less digits than its factorization.

402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 402412 is about 634.3595195156. The cubic root of 402412 is about 73.8284313552.

Adding to 402412 its reverse (214204), we get a palindrome (616616).

The spelling of 402412 in words is "four hundred two thousand, four hundred twelve", and thus it is an iban number.