4921479 has 28 divisors (see below), whose sum is σ = 7598536. Its totient is φ = 3184272.

The previous prime is 4921453. The next prime is 4921487. The reversal of 4921479 is 9741294.

It is not a de Polignac number, because 4921479 - 2⁵ = 4921447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921409) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31269 + ... + 31425.

Almost surely, 2^4921479 is an apocalyptic number.

4921479 is a deficient number, since it is larger than the sum of its proper divisors (2677057).

4921479 is an equidigital number, since it uses as much as digits as its factorization.

4921479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 203 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 4921479 is about 2218.4406685778. The cubic root of 4921479 is about 170.0977407947.

It can be divided in two parts, 49 and 21479, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 4921479 in words is "four million, nine hundred twenty-one thousand, four hundred seventy-nine".