6487894 has 24 divisors (see below), whose sum is σ = 11409120. Its totient is φ = 2758896.

The previous prime is 6487879. The next prime is 6487903. The reversal of 6487894 is 4987846.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23284 + ... + 23560.

It is an arithmetic number, because the mean of its divisors is an integer number (475380).

Almost surely, 2^6487894 is an apocalyptic number.

6487894 is a deficient number, since it is larger than the sum of its proper divisors (4921226).

6487894 is a wasteful number, since it uses less digits than its factorization.

6487894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 525 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 6487894 is about 2547.1344683781. The cubic root of 6487894 is about 186.5096248630.

It can be divided in two parts, 6487 and 894, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6487894 in words is "six million, four hundred eighty-seven thousand, eight hundred ninety-four".