4992215 has 4 divisors (see below), whose sum is σ = 5990664. Its totient is φ = 3993768.

The previous prime is 4992187. The next prime is 4992233. The reversal of 4992215 is 5122994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4992215 - 2¹² = 4988119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499217 + ... + 499226.

It is an arithmetic number, because the mean of its divisors is an integer number (1497666).

Almost surely, 2^4992215 is an apocalyptic number.

4992215 is a deficient number, since it is larger than the sum of its proper divisors (998449).

4992215 is an equidigital number, since it uses as much as digits as its factorization.

4992215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998448.

The product of its digits is 6480, while the sum is 32.

The square root of 4992215 is about 2234.3265204531. The cubic root of 4992215 is about 170.9088008161.

The spelling of 4992215 in words is "four million, nine hundred ninety-two thousand, two hundred fifteen".