308274912 has 288 divisors, whose sum is σ = 1023998976. Its totient is φ = 87091200.

The previous prime is 308274877. The next prime is 308274919. The reversal of 308274912 is 219472803.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308274919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4222908 + ... + 4222980.

It is an arithmetic number, because the mean of its divisors is an integer number (3555552).

Almost surely, 2^308274912 is an apocalyptic number.

308274912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308274912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511999488).

308274912 is an abundant number, since it is smaller than the sum of its proper divisors (715724064).

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

308274912 is a wasteful number, since it uses less digits than its factorization.

308274912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 308274912 is about 17557.7593103448. The cubic root of 308274912 is about 675.5322090719.

The spelling of 308274912 in words is "three hundred eight million, two hundred seventy-four thousand, nine hundred twelve".