402106104 has 24 divisors (see below), whose sum is σ = 1089037560. Its totient is φ = 134035344.

The previous prime is 402106099. The next prime is 402106109. The reversal of 402106104 is 401601204.

402106104 is a `hidden beast` number, since 40 + 2 + 10 + 610 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (402106099) and next prime (402106109).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402106109) 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, 2792332 + ... + 2792475.

It is an arithmetic number, because the mean of its divisors is an integer number (45376565).

Almost surely, 2^402106104 is an apocalyptic number.

It is an amenable number.

402106104 is an abundant number, since it is smaller than the sum of its proper divisors (686931456).

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

402106104 is a wasteful number, since it uses less digits than its factorization.

402106104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584819 (or 5584812 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 402106104 is about 20052.5834744554. The cubic root of 402106104 is about 738.0971956504.

Adding to 402106104 its reverse (401601204), we get a palindrome (803707308).

The spelling of 402106104 in words is "four hundred two million, one hundred six thousand, one hundred four".