999411402 has 64 divisors (see below), whose sum is σ = 2314137600. Its totient is φ = 284378880.

The previous prime is 999411401. The next prime is 999411451. The reversal of 999411402 is 204114999.

It is not an unprimeable number, because it can be changed into a prime (999411401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693799 + ... + 695237.

It is an arithmetic number, because the mean of its divisors is an integer number (36158400).

Almost surely, 2^999411402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999411402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157068800).

999411402 is an abundant number, since it is smaller than the sum of its proper divisors (1314726198).

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

999411402 is a wasteful number, since it uses less digits than its factorization.

999411402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 999411402 is about 31613.4686802951. The cubic root of 999411402 is about 999.8037621599.

The spelling of 999411402 in words is "nine hundred ninety-nine million, four hundred eleven thousand, four hundred two".