390479 has 2 divisors, whose sum is σ = 390480. Its totient is φ = 390478.

The previous prime is 390463. The next prime is 390487. The reversal of 390479 is 974093.

It is a happy number.

390479 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 390479 - 2⁴ = 390463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390419) 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 as a sum of consecutive naturals, namely, 195239 + 195240.

It is an arithmetic number, because the mean of its divisors is an integer number (195240).

2³⁹⁰⁴⁷⁹ is an apocalyptic number.

390479 is a deficient number, since it is larger than the sum of its proper divisors (1).

390479 is an equidigital number, since it uses as much as digits as its factorization.

390479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 390479 is about 624.8831890842. The cubic root of 390479 is about 73.0913349799.

The spelling of 390479 in words is "three hundred ninety thousand, four hundred seventy-nine".