387953797 has 16 divisors (see below), whose sum is σ = 485258112. Its totient is φ = 301317120.

The previous prime is 387953791. The next prime is 387953801. The reversal of 387953797 is 797359783.

It is a cyclic number.

It is not a de Polignac number, because 387953797 - 2¹¹ = 387951749 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 (387953791) 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, 16053 + ... + 32149.

It is an arithmetic number, because the mean of its divisors is an integer number (30328632).

Almost surely, 2^387953797 is an apocalyptic number.

It is an amenable number.

387953797 is a deficient number, since it is larger than the sum of its proper divisors (97304315).

387953797 is a wasteful number, since it uses less digits than its factorization.

387953797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16428.

The product of its digits is 10001880, while the sum is 58.

The square root of 387953797 is about 19696.5427677042. The cubic root of 387953797 is about 729.3343509920.

The spelling of 387953797 in words is "three hundred eighty-seven million, nine hundred fifty-three thousand, seven hundred ninety-seven".