302997642 has 16 divisors (see below), whose sum is σ = 613297440. Its totient is φ = 99782192.

The previous prime is 302997631. The next prime is 302997649. The reversal of 302997642 is 246799203.

It is a happy number.

302997642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 302997594 and 302997603.

It is not an unprimeable number, because it can be changed into a prime (302997649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303717 + ... + 304712.

It is an arithmetic number, because the mean of its divisors is an integer number (38331090).

Almost surely, 2^302997642 is an apocalyptic number.

302997642 is an abundant number, since it is smaller than the sum of its proper divisors (310299798).

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

302997642 is a wasteful number, since it uses less digits than its factorization.

302997642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608517.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 302997642 is about 17406.8274536172. The cubic root of 302997642 is about 671.6552538321.

The spelling of 302997642 in words is "three hundred two million, nine hundred ninety-seven thousand, six hundred forty-two".