4613820 has 48 divisors (see below), whose sum is σ = 13039488. Its totient is φ = 1218880.

The previous prime is 4613803. The next prime is 4613881. The reversal of 4613820 is 283164.

It is a happy number.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7567 + ... + 8153.

It is an arithmetic number, because the mean of its divisors is an integer number (271656).

Almost surely, 2^4613820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4613820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6519744).

4613820 is an abundant number, since it is smaller than the sum of its proper divisors (8425668).

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

4613820 is a wasteful number, since it uses less digits than its factorization.

4613820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 4613820 is about 2147.9804468384. The cubic root of 4613820 is about 166.4767347485.

Adding to 4613820 its reverse (283164), we get a palindrome (4896984).

The spelling of 4613820 in words is "four million, six hundred thirteen thousand, eight hundred twenty".