384202639 has 2 divisors, whose sum is σ = 384202640. Its totient is φ = 384202638.

The previous prime is 384202633. The next prime is 384202673. The reversal of 384202639 is 936202483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384202639 - 2⁵ = 384202607 is a prime.

It is a super-2 number, since 2×384202639² = 295223335629128642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384202598 and 384202607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384202633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192101319 + 192101320.

It is an arithmetic number, because the mean of its divisors is an integer number (192101320).

Almost surely, 2^384202639 is an apocalyptic number.

384202639 is a deficient number, since it is larger than the sum of its proper divisors (1).

384202639 is an equidigital number, since it uses as much as digits as its factorization.

384202639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 384202639 is about 19601.0876994110. The cubic root of 384202639 is about 726.9760686427.

The spelling of 384202639 in words is "three hundred eighty-four million, two hundred two thousand, six hundred thirty-nine".