4992660 has 36 divisors (see below), whose sum is σ = 15144948. Its totient is φ = 1331328.

The previous prime is 4992629. The next prime is 4992661. The reversal of 4992660 is 662994.

It can be written as a sum of positive squares in 2 ways, for example, as 3218436 + 1774224 = 1794^2 + 1332^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4992661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13689 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (420693).

Almost surely, 2^4992660 is an apocalyptic number.

It is an amenable number.

4992660 is an abundant number, since it is smaller than the sum of its proper divisors (10152288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4992660 is a wasteful number, since it uses less digits than its factorization.

4992660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752 (or 27747 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4992660 is about 2234.4261008143. The cubic root of 4992660 is about 170.9138788664.

The spelling of 4992660 in words is "four million, nine hundred ninety-two thousand, six hundred sixty".