6402450 has 24 divisors (see below), whose sum is σ = 15878448. Its totient is φ = 1707280.

The previous prime is 6402439. The next prime is 6402457. The reversal of 6402450 is 542046.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6402457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21192 + ... + 21491.

It is an arithmetic number, because the mean of its divisors is an integer number (661602).

Almost surely, 2^6402450 is an apocalyptic number.

6402450 is an abundant number, since it is smaller than the sum of its proper divisors (9475998).

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

6402450 is a wasteful number, since it uses less digits than its factorization.

6402450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42698 (or 42693 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6402450 is about 2530.3063055686. The cubic root of 6402450 is about 185.6872417650.

Adding to 6402450 its reverse (542046), we get a palindrome (6944496).

The spelling of 6402450 in words is "six million, four hundred two thousand, four hundred fifty".