4995921 has 8 divisors (see below), whose sum is σ = 7612864. Its totient is φ = 2854800.

The previous prime is 4995919. The next prime is 4995923. The reversal of 4995921 is 1295994.

It is an interprime number because it is at equal distance from previous prime (4995919) and next prime (4995923).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4995921 - 2¹ = 4995919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4995921.

It is not an unprimeable number, because it can be changed into a prime (4995923) 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 7 ways as a sum of consecutive naturals, for example, 118930 + ... + 118971.

It is an arithmetic number, because the mean of its divisors is an integer number (951608).

Almost surely, 2^4995921 is an apocalyptic number.

It is an amenable number.

4995921 is a deficient number, since it is larger than the sum of its proper divisors (2616943).

4995921 is a wasteful number, since it uses less digits than its factorization.

4995921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237911.

The product of its digits is 29160, while the sum is 39.

The square root of 4995921 is about 2235.1556992747. The cubic root of 4995921 is about 170.9510820711.

The spelling of 4995921 in words is "four million, nine hundred ninety-five thousand, nine hundred twenty-one".