402106200 has 48 divisors (see below), whose sum is σ = 1246531080. Its totient is φ = 107228160.

The previous prime is 402106193. The next prime is 402106231. The reversal of 402106200 is 2601204.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 402106200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334489 + ... + 335688.

Almost surely, 2^402106200 is an apocalyptic number.

402106200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402106200 is an abundant number, since it is smaller than the sum of its proper divisors (844424880).

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

402106200 is a wasteful number, since it uses less digits than its factorization.

402106200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670196 (or 670187 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 402106200 is about 20052.5858681617. The cubic root of 402106200 is about 738.0972543889.

Adding to 402106200 its reverse (2601204), we get a palindrome (404707404).

The spelling of 402106200 in words is "four hundred two million, one hundred six thousand, two hundred".