4356020 has 24 divisors (see below), whose sum is σ = 9188424. Its totient is φ = 1734656.

The previous prime is 4356013. The next prime is 4356041. The reversal of 4356020 is 206534.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 4351396 = 68^2 + 2086^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4355983 and 4356001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6752 + ... + 7368.

It is an arithmetic number, because the mean of its divisors is an integer number (382851).

Almost surely, 2^4356020 is an apocalyptic number.

It is an amenable number.

4356020 is an abundant number, since it is smaller than the sum of its proper divisors (4832404).

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

4356020 is a wasteful number, since it uses less digits than its factorization.

4356020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4356020 is about 2087.1080470354. The cubic root of 4356020 is about 163.3164589907.

The spelling of 4356020 in words is "four million, three hundred fifty-six thousand, twenty".