6351642 has 96 divisors (see below), whose sum is σ = 16799040. Its totient is φ = 1762560.

The previous prime is 6351629. The next prime is 6351649. The reversal of 6351642 is 2461536.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6351649) 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 47 ways as a sum of consecutive naturals, for example, 171648 + ... + 171684.

It is an arithmetic number, because the mean of its divisors is an integer number (174990).

Almost surely, 2^6351642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6351642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8399520).

6351642 is an abundant number, since it is smaller than the sum of its proper divisors (10447398).

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

6351642 is a wasteful number, since it uses less digits than its factorization.

6351642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 70 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 6351642 is about 2520.2464165236. The cubic root of 6351642 is about 185.1947498694.

The spelling of 6351642 in words is "six million, three hundred fifty-one thousand, six hundred forty-two".