4026620 has 48 divisors (see below), whose sum is σ = 9652608. Its totient is φ = 1397760.

The previous prime is 4026619. The next prime is 4026643. The reversal of 4026620 is 266204.

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 = 4026592 and 4026601.

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, 3965 + ... + 4875.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^4026620 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 4026620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826304).

4026620 is an abundant number, since it is smaller than the sum of its proper divisors (5625988).

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

4026620 is a wasteful number, since it uses less digits than its factorization.

4026620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4026620 is about 2006.6439644341. The cubic root of 4026620 is about 159.0914653784.

The spelling of 4026620 in words is "four million, twenty-six thousand, six hundred twenty".