6450402 has 32 divisors (see below), whose sum is σ = 14889600. Its totient is φ = 1824768.

The previous prime is 6450391. The next prime is 6450413. The reversal of 6450402 is 2040546.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6450391) and next prime (6450413).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3874 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (465300).

Almost surely, 2^6450402 is an apocalyptic number.

6450402 is an abundant number, since it is smaller than the sum of its proper divisors (8439198).

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

6450402 is a wasteful number, since it uses less digits than its factorization.

6450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530.

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

The square root of 6450402 is about 2539.7641622796. The cubic root of 6450402 is about 186.1496656411.

Adding to 6450402 its reverse (2040546), we get a palindrome (8490948).

The spelling of 6450402 in words is "six million, four hundred fifty thousand, four hundred two".