3620526 has 64 divisors (see below), whose sum is σ = 9408000. Its totient is φ = 902016.

The previous prime is 3620501. The next prime is 3620537. The reversal of 3620526 is 6250263.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3620496 and 3620505.

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, 10200 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (147000).

Almost surely, 2^3620526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704000).

3620526 is an abundant number, since it is smaller than the sum of its proper divisors (5787474).

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

3620526 is a wasteful number, since it uses less digits than its factorization.

3620526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3620526 is about 1902.7679837542. The cubic root of 3620526 is about 153.5526173564.

Adding to 3620526 its reverse (6250263), we get a palindrome (9870789).

The spelling of 3620526 in words is "three million, six hundred twenty thousand, five hundred twenty-six".