388773983 has 16 divisors (see below), whose sum is σ = 429276960. Its totient is φ = 349899264.

The previous prime is 388773977. The next prime is 388773997. The reversal of 388773983 is 389377883.

It is not a de Polignac number, because 388773983 - 2⁸ = 388773727 is a prime.

It is a super-2 number, since 2×388773983² = 302290419715368578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388773943) 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, 82160 + ... + 86762.

It is an arithmetic number, because the mean of its divisors is an integer number (26829810).

Almost surely, 2^388773983 is an apocalyptic number.

388773983 is a deficient number, since it is larger than the sum of its proper divisors (40502977).

388773983 is a wasteful number, since it uses less digits than its factorization.

388773983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its digits is 6096384, while the sum is 56.

The square root of 388773983 is about 19717.3523324000. The cubic root of 388773983 is about 729.8479592035.

The spelling of 388773983 in words is "three hundred eighty-eight million, seven hundred seventy-three thousand, nine hundred eighty-three".