476309 has 4 divisors (see below), whose sum is σ = 478080. Its totient is φ = 474540.

The previous prime is 476299. The next prime is 476317. The reversal of 476309 is 903674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 903674 = 2 ⋅451837.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476309 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389 + ... + 1050.

It is an arithmetic number, because the mean of its divisors is an integer number (119520).

2⁴⁷⁶³⁰⁹ is an apocalyptic number.

It is an amenable number.

476309 is a deficient number, since it is larger than the sum of its proper divisors (1771).

476309 is a wasteful number, since it uses less digits than its factorization.

476309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 476309 is about 690.1514326581. The cubic root of 476309 is about 78.0961448638.

The spelling of 476309 in words is "four hundred seventy-six thousand, three hundred nine".