4992806 has 24 divisors (see below), whose sum is σ = 9384480. Its totient is φ = 1974672.

The previous prime is 4992787. The next prime is 4992809. The reversal of 4992806 is 6082994.

4992806 = 284² + 285² + ... + 335².

It is a super-2 number, since 2×4992806² = 49856223507272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4992806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686 + ... + 3233.

It is an arithmetic number, because the mean of its divisors is an integer number (391020).

Almost surely, 2^4992806 is an apocalyptic number.

4992806 is a deficient number, since it is larger than the sum of its proper divisors (4391674).

4992806 is a wasteful number, since it uses less digits than its factorization.

4992806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 4992806 is about 2234.4587711569. The cubic root of 4992806 is about 170.9155448576.

The spelling of 4992806 in words is "four million, nine hundred ninety-two thousand, eight hundred six".