6450630 has 32 divisors (see below), whose sum is σ = 15777504. Its totient is φ = 1687296.

The previous prime is 6450629. The next prime is 6450637. The reversal of 6450630 is 360546.

It is a super-2 number, since 2×6450630² = 83221254793800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6450630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 3618.

It is an arithmetic number, because the mean of its divisors is an integer number (493047).

Almost surely, 2^6450630 is an apocalyptic number.

6450630 is an abundant number, since it is smaller than the sum of its proper divisors (9326874).

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

6450630 is a wasteful number, since it uses less digits than its factorization.

6450630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120.

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

The square root of 6450630 is about 2539.8090479404. The cubic root of 6450630 is about 186.1518588700.

The spelling of 6450630 in words is "six million, four hundred fifty thousand, six hundred thirty".