6642234 has 12 divisors (see below), whose sum is σ = 14391546. Its totient is φ = 2214072.

The previous prime is 6642211. The next prime is 6642281. The reversal of 6642234 is 4322466.

It can be written as a sum of positive squares in only one way, i.e., 5546025 + 1096209 = 2355^2 + 1047^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6642198 and 6642207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184489 + ... + 184524.

Almost surely, 2^6642234 is an apocalyptic number.

6642234 is an abundant number, since it is smaller than the sum of its proper divisors (7749312).

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

6642234 is a wasteful number, since it uses less digits than its factorization.

6642234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369021 (or 369018 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 6642234 is about 2577.2531889591. The cubic root of 6642234 is about 187.9770041286.

The spelling of 6642234 in words is "six million, six hundred forty-two thousand, two hundred thirty-four".