6432278 has 4 divisors (see below), whose sum is σ = 9648420. Its totient is φ = 3216138.

The previous prime is 6432269. The next prime is 6432281. The reversal of 6432278 is 8722346.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608068 + ... + 1608071.

It is an arithmetic number, because the mean of its divisors is an integer number (2412105).

Almost surely, 2^6432278 is an apocalyptic number.

6432278 is a deficient number, since it is larger than the sum of its proper divisors (3216142).

6432278 is a wasteful number, since it uses less digits than its factorization.

6432278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216141.

The product of its digits is 16128, while the sum is 32.

The square root of 6432278 is about 2536.1936045973. The cubic root of 6432278 is about 185.9751575871.

The spelling of 6432278 in words is "six million, four hundred thirty-two thousand, two hundred seventy-eight".