479749 has 2 divisors, whose sum is σ = 479750. Its totient is φ = 479748.

The previous prime is 479701. The next prime is 479753. The reversal of 479749 is 947974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294849 + 184900 = 543^2 + 430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239874 + 239875.

It is an arithmetic number, because the mean of its divisors is an integer number (239875).

2⁴⁷⁹⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

479749 is a deficient number, since it is larger than the sum of its proper divisors (1).

479749 is an equidigital number, since it uses as much as digits as its factorization.

479749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 479749 is about 692.6391556936. The cubic root of 479749 is about 78.2837027802.

The spelling of 479749 in words is "four hundred seventy-nine thousand, seven hundred forty-nine".