4992687 has 48 divisors (see below), whose sum is σ = 8968960. Its totient is φ = 2612736.

The previous prime is 4992683. The next prime is 4992703. The reversal of 4992687 is 7862994.

It is a happy number.

It is not a de Polignac number, because 4992687 - 2² = 4992683 is a prime.

It is a d-powerful number, because it can be written as 4 + 9⁵ + 9⁷ + 2⁵ + 6³ + 8⁵ + 7⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51423 + ... + 51519.

Almost surely, 2^4992687 is an apocalyptic number.

4992687 is a deficient number, since it is larger than the sum of its proper divisors (3976273).

4992687 is a wasteful number, since it uses less digits than its factorization.

4992687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 169 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4992687 is about 2234.4321426260. The cubic root of 4992687 is about 170.9141869631.

The spelling of 4992687 in words is "four million, nine hundred ninety-two thousand, six hundred eighty-seven".