4308690 has 64 divisors (see below), whose sum is σ = 11031552. Its totient is φ = 1075200.

The previous prime is 4308677. The next prime is 4308691. The reversal of 4308690 is 968034.

4308690 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4308690² = 37129619032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4308691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38074 + ... + 38186.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

Almost surely, 2^4308690 is an apocalyptic number.

4308690 is the 1695-th pentagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4308690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5515776).

4308690 is an abundant number, since it is smaller than the sum of its proper divisors (6722862).

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

4308690 is a wasteful number, since it uses less digits than its factorization.

4308690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4308690 is about 2075.7384228269. The cubic root of 4308690 is about 162.7228028579.

The spelling of 4308690 in words is "four million, three hundred eight thousand, six hundred ninety".