6409650 has 96 divisors (see below), whose sum is σ = 18123840. Its totient is φ = 1486080.

The previous prime is 6409643. The next prime is 6409651. The reversal of 6409650 is 569046.

6409650 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6409650² = 82167226245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (6409651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36964 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (188790).

Almost surely, 2^6409650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6409650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9061920).

6409650 is an abundant number, since it is smaller than the sum of its proper divisors (11714190).

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

6409650 is a wasteful number, since it uses less digits than its factorization.

6409650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6409650 is about 2531.7286584466. The cubic root of 6409650 is about 185.7568217586.

It can be divided in two parts, 64096 and 50, that added together give a palindrome (64146).

The spelling of 6409650 in words is "six million, four hundred nine thousand, six hundred fifty".