6460642 has 4 divisors (see below), whose sum is σ = 9690966. Its totient is φ = 3230320.

The previous prime is 6460613. The next prime is 6460651. The reversal of 6460642 is 2460646.

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., 5517801 + 942841 = 2349^2 + 971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6460642.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615159 + ... + 1615162.

Almost surely, 2^6460642 is an apocalyptic number.

6460642 is a deficient number, since it is larger than the sum of its proper divisors (3230324).

6460642 is a wasteful number, since it uses less digits than its factorization.

6460642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230323.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6460642 is about 2541.7792980509. The cubic root of 6460642 is about 186.2481176333.

It can be divided in two parts, 64 and 60642, that added together give a palindrome (60706).

The spelling of 6460642 in words is "six million, four hundred sixty thousand, six hundred forty-two".