4686390 has 64 divisors (see below), whose sum is σ = 13245120. Its totient is φ = 1175040.

The previous prime is 4686389. The next prime is 4686431. The reversal of 4686390 is 936864.

It is a congruent number.

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, 4080 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (206955).

Almost surely, 2^4686390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4686390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6622560).

4686390 is an abundant number, since it is smaller than the sum of its proper divisors (8558730).

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

4686390 is a wasteful number, since it uses less digits than its factorization.

4686390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4686390 is about 2164.8071507642. The cubic root of 4686390 is about 167.3450263341.

It can be divided in two parts, 46 and 86390, that added together give a square (86436 = 294²).

The spelling of 4686390 in words is "four million, six hundred eighty-six thousand, three hundred ninety".