388290413 has 4 divisors (see below), whose sum is σ = 443760480. Its totient is φ = 332820348.

The previous prime is 388290391. The next prime is 388290491. The reversal of 388290413 is 314092883.

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: 314092883 = 13 ⋅24160991.

It is not a de Polignac number, because 388290413 - 2¹⁰ = 388289389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388292413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27735023 + ... + 27735036.

It is an arithmetic number, because the mean of its divisors is an integer number (110940120).

Almost surely, 2^388290413 is an apocalyptic number.

It is an amenable number.

388290413 is a deficient number, since it is larger than the sum of its proper divisors (55470067).

388290413 is an equidigital number, since it uses as much as digits as its factorization.

388290413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55470066.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 388290413 is about 19705.0859678409. The cubic root of 388290413 is about 729.5452306053.

The spelling of 388290413 in words is "three hundred eighty-eight million, two hundred ninety thousand, four hundred thirteen".