306023442 has 32 divisors (see below), whose sum is σ = 624456000. Its totient is φ = 99951168.

The previous prime is 306023437. The next prime is 306023449. The reversal of 306023442 is 244320603.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (306023449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122308 + ... + 124784.

It is an arithmetic number, because the mean of its divisors is an integer number (19514250).

Almost surely, 2^306023442 is an apocalyptic number.

306023442 is an abundant number, since it is smaller than the sum of its proper divisors (318432558).

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

306023442 is a wasteful number, since it uses less digits than its factorization.

306023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 306023442 is about 17493.5257166759. The cubic root of 306023442 is about 673.8836174585.

The spelling of 306023442 in words is "three hundred six million, twenty-three thousand, four hundred forty-two".