308734416 has 180 divisors, whose sum is σ = 955482372. Its totient is φ = 96297984.

The previous prime is 308734379. The next prime is 308734421. The reversal of 308734416 is 614437803.

308734416 is a `hidden beast` number, since 308 + 7 + 344 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 262440000 + 46294416 = 16200^2 + 6804^2 .

It is a super-2 number, since 2×308734416² = 190633879245722112, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1784506 + ... + 1784678.

Almost surely, 2^308734416 is an apocalyptic number.

308734416 is a gapful number since it is divisible by the number (36) 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 308734416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477741186).

308734416 is an abundant number, since it is smaller than the sum of its proper divisors (646747956).

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

308734416 is an equidigital number, since it uses as much as digits as its factorization.

308734416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 308734416 is about 17570.8399343913. The cubic root of 308734416 is about 675.8676841505.

The spelling of 308734416 in words is "three hundred eight million, seven hundred thirty-four thousand, four hundred sixteen".