6487912 has 8 divisors (see below), whose sum is σ = 12164850. Its totient is φ = 3243952.

The previous prime is 6487903. The next prime is 6487919. The reversal of 6487912 is 2197846.

It can be written as a sum of positive squares in only one way, i.e., 6120676 + 367236 = 2474^2 + 606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6487919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405487 + ... + 405502.

Almost surely, 2^6487912 is an apocalyptic number.

It is an amenable number.

6487912 is a deficient number, since it is larger than the sum of its proper divisors (5676938).

6487912 is a wasteful number, since it uses less digits than its factorization.

6487912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810995 (or 810991 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 6487912 is about 2547.1380017581. The cubic root of 6487912 is about 186.5097973468.

The spelling of 6487912 in words is "six million, four hundred eighty-seven thousand, nine hundred twelve".