3566420 has 96 divisors (see below), whose sum is σ = 9313920. Its totient is φ = 1128960.

The previous prime is 3566383. The next prime is 3566429. The reversal of 3566420 is 246653.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3566420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3566429) 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, 82919 + ... + 82961.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

Almost surely, 2^3566420 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 3566420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4656960).

3566420 is an abundant number, since it is smaller than the sum of its proper divisors (5747500).

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

3566420 is a wasteful number, since it uses less digits than its factorization.

3566420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3566420 is about 1888.4967566824. The cubic root of 3566420 is about 152.7838661547.

It can be divided in two parts, 356 and 6420, that added together give a palindrome (6776).

The spelling of 3566420 in words is "three million, five hundred sixty-six thousand, four hundred twenty".