4921155 has 40 divisors (see below), whose sum is σ = 9147600. Its totient is φ = 2528064.

The previous prime is 4921151. The next prime is 4921159. The reversal of 4921155 is 5511294.

It is an interprime number because it is at equal distance from previous prime (4921151) and next prime (4921159).

It is not a de Polignac number, because 4921155 - 2² = 4921151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4921151) 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 39 ways as a sum of consecutive naturals, for example, 11536 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (228690).

Almost surely, 2^4921155 is an apocalyptic number.

4921155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4921155 is a deficient number, since it is larger than the sum of its proper divisors (4226445).

4921155 is a wasteful number, since it uses less digits than its factorization.

4921155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 456 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 4921155 is about 2218.3676431106. The cubic root of 4921155 is about 170.0940079821.

The spelling of 4921155 in words is "four million, nine hundred twenty-one thousand, one hundred fifty-five".