342421002 has 96 divisors (see below), whose sum is σ = 973739520. Its totient is φ = 84252960.

The previous prime is 342420931. The next prime is 342421019. The reversal of 342421002 is 200124243.

It is a super-2 number, since 2×342421002² = 234504285221368008, which contains 22 as substring.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 19833 + ... + 32835.

It is an arithmetic number, because the mean of its divisors is an integer number (10143120).

Almost surely, 2^342421002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342421002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486869760).

342421002 is an abundant number, since it is smaller than the sum of its proper divisors (631318518).

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

342421002 is a wasteful number, since it uses less digits than its factorization.

342421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048 (or 13045 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 342421002 is about 18504.6210985256. The cubic root of 342421002 is about 699.6059019751.

Adding to 342421002 its reverse (200124243), we get a palindrome (542545245).

The spelling of 342421002 in words is "three hundred forty-two million, four hundred twenty-one thousand, two".