387433769 has 16 divisors (see below), whose sum is σ = 412484160. Its totient is φ = 362880000.

The previous prime is 387433729. The next prime is 387433801. The reversal of 387433769 is 967334783.

It is a cyclic number.

It is not a de Polignac number, because 387433769 - 2⁸ = 387433513 is a prime.

It is a super-2 number, since 2×387433769² = 300209850723090722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387433729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965969 + ... + 966369.

It is an arithmetic number, because the mean of its divisors is an integer number (25780260).

Almost surely, 2^387433769 is an apocalyptic number.

It is an amenable number.

387433769 is a deficient number, since it is larger than the sum of its proper divisors (25050391).

387433769 is a wasteful number, since it uses less digits than its factorization.

387433769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its digits is 2286144, while the sum is 50.

The square root of 387433769 is about 19683.3373440583. The cubic root of 387433769 is about 729.0083294591.

The spelling of 387433769 in words is "three hundred eighty-seven million, four hundred thirty-three thousand, seven hundred sixty-nine".