382264391 has 2 divisors, whose sum is σ = 382264392. Its totient is φ = 382264390.

The previous prime is 382264381. The next prime is 382264409. The reversal of 382264391 is 193462283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 382264391 - 2¹⁰ = 382263367 is a prime.

It is a super-2 number, since 2×382264391² = 292252129253201762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (382264321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191132195 + 191132196.

It is an arithmetic number, because the mean of its divisors is an integer number (191132196).

Almost surely, 2^382264391 is an apocalyptic number.

382264391 is a deficient number, since it is larger than the sum of its proper divisors (1).

382264391 is an equidigital number, since it uses as much as digits as its factorization.

382264391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 382264391 is about 19551.5828259504. The cubic root of 382264391 is about 725.7515099212.

The spelling of 382264391 in words is "three hundred eighty-two million, two hundred sixty-four thousand, three hundred ninety-one".