6403622 has 8 divisors (see below), whose sum is σ = 9626472. Its totient is φ = 3194800.

The previous prime is 6403601. The next prime is 6403643. The reversal of 6403622 is 2263046.

It is an interprime number because it is at equal distance from previous prime (6403601) and next prime (6403643).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2279 + ... + 4242.

It is an arithmetic number, because the mean of its divisors is an integer number (1203309).

Almost surely, 2^6403622 is an apocalyptic number.

6403622 is a deficient number, since it is larger than the sum of its proper divisors (3222850).

6403622 is a wasteful number, since it uses less digits than its factorization.

6403622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6403622 is about 2530.5378874856. The cubic root of 6403622 is about 185.6985713951.

Adding to 6403622 its reverse (2263046), we get a palindrome (8666668).

The spelling of 6403622 in words is "six million, four hundred three thousand, six hundred twenty-two".