6442254 has 160 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 1539648.

The previous prime is 6442237. The next prime is 6442259. The reversal of 6442254 is 4522446.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442259) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 280087 + ... + 280109.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

Almost surely, 2^6442254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6442254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9757440).

6442254 is an abundant number, since it is smaller than the sum of its proper divisors (13072626).

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

6442254 is a wasteful number, since it uses less digits than its factorization.

6442254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 67 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 6442254 is about 2538.1595694518. The cubic root of 6442254 is about 186.0712526179.

The spelling of 6442254 in words is "six million, four hundred forty-two thousand, two hundred fifty-four".