380553839 has 2 divisors, whose sum is σ = 380553840. Its totient is φ = 380553838.

The previous prime is 380553757. The next prime is 380553853. The reversal of 380553839 is 938355083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 380553839 - 2⁸ = 380553583 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380553839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380553889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190276919 + 190276920.

It is an arithmetic number, because the mean of its divisors is an integer number (190276920).

Almost surely, 2^380553839 is an apocalyptic number.

380553839 is a deficient number, since it is larger than the sum of its proper divisors (1).

380553839 is an equidigital number, since it uses as much as digits as its factorization.

380553839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 380553839 is about 19507.7891879116. The cubic root of 380553839 is about 724.6673632210.

The spelling of 380553839 in words is "three hundred eighty million, five hundred fifty-three thousand, eight hundred thirty-nine".