4995987 has 8 divisors (see below), whose sum is σ = 6696960. Its totient is φ = 3312840.

The previous prime is 4995983. The next prime is 4995997. The reversal of 4995987 is 7895994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4995987 - 2² = 4995983 is a prime.

It is a super-2 number, since 2×4995987² = 49919772208338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4995983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3787 + ... + 4932.

It is an arithmetic number, because the mean of its divisors is an integer number (837120).

Almost surely, 2^4995987 is an apocalyptic number.

4995987 is a deficient number, since it is larger than the sum of its proper divisors (1700973).

4995987 is a wasteful number, since it uses less digits than its factorization.

4995987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8913.

The product of its digits is 816480, while the sum is 51.

The square root of 4995987 is about 2235.1704632980. The cubic root of 4995987 is about 170.9518348667.

The spelling of 4995987 in words is "four million, nine hundred ninety-five thousand, nine hundred eighty-seven".