3620428900 has 81 divisors (see below), whose sum is σ = 8651286777. Its totient is φ = 1314112800.

The previous prime is 3620428897. The next prime is 3620428921. The reversal of 3620428900 is 98240263.

The square root of 3620428900 is 60170.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1303354404 + 2317074496 = 36102^2 + 48136^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6618427 + ... + 6618973.

Almost surely, 2^3620428900 is an apocalyptic number.

3620428900 is the 60170-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620428900

3620428900 is an abundant number, since it is smaller than the sum of its proper divisors (5030857877).

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

3620428900 is a wasteful number, since it uses less digits than its factorization.

3620428900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The cubic root of 3620428900 is about 1535.5124461922.

Multiplying 3620428900 by its product of nonzero digits (20736), we get a square (75073213670400 = 8664480²).

The spelling of 3620428900 in words is "three billion, six hundred twenty million, four hundred twenty-eight thousand, nine hundred".