402849100 has 18 divisors (see below), whose sum is σ = 874182764. Its totient is φ = 161139600.

The previous prime is 402849089. The next prime is 402849107. The reversal of 402849100 is 1948204.

It is not an unprimeable number, because it can be changed into a prime (402849107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2014146 + ... + 2014345.

Almost surely, 2^402849100 is an apocalyptic number.

It is an amenable number.

402849100 is an abundant number, since it is smaller than the sum of its proper divisors (471333664).

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

402849100 is a wasteful number, since it uses less digits than its factorization.

402849100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028505 (or 4028498 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 402849100 is about 20071.1011157834. The cubic root of 402849100 is about 738.5515250194.

The spelling of 402849100 in words is "four hundred two million, eight hundred forty-nine thousand, one hundred".