6469642 has 4 divisors (see below), whose sum is σ = 9704466. Its totient is φ = 3234820.

The previous prime is 6469637. The next prime is 6469649. The reversal of 6469642 is 2469646.

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

It can be written as a sum of positive squares in only one way, i.e., 5103081 + 1366561 = 2259^2 + 1169^2 .

It is not an unprimeable number, because it can be changed into a prime (6469649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617409 + ... + 1617412.

Almost surely, 2^6469642 is an apocalyptic number.

6469642 is a deficient number, since it is larger than the sum of its proper divisors (3234824).

6469642 is a wasteful number, since it uses less digits than its factorization.

6469642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234823.

The product of its digits is 62208, while the sum is 37.

The square root of 6469642 is about 2543.5490952604. The cubic root of 6469642 is about 186.3345618444.

The spelling of 6469642 in words is "six million, four hundred sixty-nine thousand, six hundred forty-two".