308070 has 64 divisors (see below), whose sum is σ = 944640. Its totient is φ = 69984.

The previous prime is 308051. The next prime is 308081. The reversal of 308070 is 70803.

308070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308070.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1809 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (14760).

2³⁰⁸⁰⁷⁰ is an apocalyptic number.

308070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 308070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472320).

308070 is an abundant number, since it is smaller than the sum of its proper divisors (636570).

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

308070 is a wasteful number, since it uses less digits than its factorization.

308070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 308070 is about 555.0405390600. The cubic root of 308070 is about 67.5382499259.

Adding to 308070 its reverse (70803), we get a palindrome (378873).

It can be divided in two parts, 30 and 8070, that added together give a square (8100 = 90²).

The spelling of 308070 in words is "three hundred eight thousand, seventy".