3620620406 has 16 divisors (see below), whose sum is σ = 5852281344. Its totient is φ = 1670030784.

The previous prime is 3620620403. The next prime is 3620620447. The reversal of 3620620406 is 6040260263.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620620403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370 + ... + 85106.

It is an arithmetic number, because the mean of its divisors is an integer number (365767584).

Almost surely, 2^3620620406 is an apocalyptic number.

3620620406 is a deficient number, since it is larger than the sum of its proper divisors (2231660938).

3620620406 is a wasteful number, since it uses less digits than its factorization.

3620620406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85415.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 3620620406 is about 60171.5913533953. The cubic root of 3620620406 is about 1535.5395198410.

Adding to 3620620406 its reverse (6040260263), we get a palindrome (9660880669).

The spelling of 3620620406 in words is "three billion, six hundred twenty million, six hundred twenty thousand, four hundred six".