306492452 has 72 divisors (see below), whose sum is σ = 645652224. Its totient is φ = 127233792.

The previous prime is 306492451. The next prime is 306492493. The reversal of 306492452 is 254294603.

306492452 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

306492452 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (306492451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3159668 + ... + 3159764.

It is an arithmetic number, because the mean of its divisors is an integer number (8967392).

Almost surely, 2^306492452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306492452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322826112).

306492452 is an abundant number, since it is smaller than the sum of its proper divisors (339159772).

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

306492452 is an frugal number, since it uses more digits than its factorization.

306492452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 306492452 is about 17506.9258295110. The cubic root of 306492452 is about 674.2277052923.

The spelling of 306492452 in words is "three hundred six million, four hundred ninety-two thousand, four hundred fifty-two".