476630381 has 2 divisors, whose sum is σ = 476630382. Its totient is φ = 476630380.

The previous prime is 476630353. The next prime is 476630417. The reversal of 476630381 is 183036674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285914281 + 190716100 = 16909^2 + 13810^2 .

It is a cyclic number.

It is not a de Polignac number, because 476630381 - 2¹⁴ = 476613997 is a prime.

It is a super-2 number, since 2×476630381² = 454353040184410322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476630321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238315190 + 238315191.

It is an arithmetic number, because the mean of its divisors is an integer number (238315191).

Almost surely, 2^476630381 is an apocalyptic number.

It is an amenable number.

476630381 is a deficient number, since it is larger than the sum of its proper divisors (1).

476630381 is an equidigital number, since it uses as much as digits as its factorization.

476630381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 476630381 is about 21831.8661822575. The cubic root of 476630381 is about 781.1370557494.

The spelling of 476630381 in words is "four hundred seventy-six million, six hundred thirty thousand, three hundred eighty-one".