4992155 has 16 divisors (see below), whose sum is σ = 7207680. Its totient is φ = 3242592.

The previous prime is 4992149. The next prime is 4992157. The reversal of 4992155 is 5512994.

It is a cyclic number.

It is not a de Polignac number, because 4992155 - 2¹⁰ = 4991131 is a prime.

It is a super-2 number, since 2×4992155² = 49843223088050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (4992157) 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 15 ways as a sum of consecutive naturals, for example, 3089 + ... + 4418.

It is an arithmetic number, because the mean of its divisors is an integer number (450480).

Almost surely, 2^4992155 is an apocalyptic number.

4992155 is a deficient number, since it is larger than the sum of its proper divisors (2215525).

4992155 is a wasteful number, since it uses less digits than its factorization.

4992155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538.

The product of its digits is 16200, while the sum is 35.

The square root of 4992155 is about 2234.3130935480. The cubic root of 4992155 is about 170.9081161120.

The spelling of 4992155 in words is "four million, nine hundred ninety-two thousand, one hundred fifty-five".