4929421 has 8 divisors (see below), whose sum is σ = 5647104. Its totient is φ = 4215120.

The previous prime is 4929401. The next prime is 4929427. The reversal of 4929421 is 1249294.

It is a happy number.

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

It is not a de Polignac number, because 4929421 - 2¹⁷ = 4798349 is a prime.

It is a Duffinian number.

4929421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4929427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4956 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (705888).

Almost surely, 2^4929421 is an apocalyptic number.

It is an amenable number.

4929421 is a deficient number, since it is larger than the sum of its proper divisors (717683).

4929421 is an equidigital number, since it uses as much as digits as its factorization.

4929421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 5184, while the sum is 31.

The square root of 4929421 is about 2220.2299430464. The cubic root of 4929421 is about 170.1891896072.

The spelling of 4929421 in words is "four million, nine hundred twenty-nine thousand, four hundred twenty-one".