6450628 has 12 divisors (see below), whose sum is σ = 11474092. Its totient is φ = 3172320.

The previous prime is 6450611. The next prime is 6450629. The reversal of 6450628 is 8260546.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 3992004 = 1568^2 + 1998^2 .

It is a super-2 number, since 2×6450628² = 83221203188768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6450628.

It is not an unprimeable number, because it can be changed into a prime (6450629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12975 + ... + 13462.

Almost surely, 2^6450628 is an apocalyptic number.

It is an amenable number.

6450628 is a deficient number, since it is larger than the sum of its proper divisors (5023464).

6450628 is a wasteful number, since it uses less digits than its factorization.

6450628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26502 (or 26500 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6450628 is about 2539.8086542100. The cubic root of 6450628 is about 186.1518396313.

The spelling of 6450628 in words is "six million, four hundred fifty thousand, six hundred twenty-eight".