415402 has 12 divisors (see below), whose sum is σ = 675270. Its totient is φ = 191568.

The previous prime is 415391. The next prime is 415409. The reversal of 415402 is 204514.

415402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 337561 + 77841 = 581^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (415409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277 + ... + 952.

2⁴¹⁵⁴⁰² is an apocalyptic number.

415402 is a deficient number, since it is larger than the sum of its proper divisors (259868).

415402 is a wasteful number, since it uses less digits than its factorization.

415402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 415402 is about 644.5168733245. The cubic root of 415402 is about 74.6144360843.

Adding to 415402 its reverse (204514), we get a palindrome (619916).

The spelling of 415402 in words is "four hundred fifteen thousand, four hundred two".