842230402 has 8 divisors (see below), whose sum is σ = 1360526076. Its totient is φ = 388721712.

The previous prime is 842230393. The next prime is 842230409. The reversal of 842230402 is 204032248.

It can be written as a sum of positive squares in 2 ways, for example, as 826620001 + 15610401 = 28751^2 + 3951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (842230409) 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 3 ways as a sum of consecutive naturals, for example, 16196713 + ... + 16196764.

Almost surely, 2^842230402 is an apocalyptic number.

842230402 is a deficient number, since it is larger than the sum of its proper divisors (518295674).

842230402 is a wasteful number, since it uses less digits than its factorization.

842230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32393492.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 842230402 is about 29021.2060741796. The cubic root of 842230402 is about 944.3731654820.

The spelling of 842230402 in words is "eight hundred forty-two million, two hundred thirty thousand, four hundred two".