384965777 has 16 divisors (see below), whose sum is σ = 446497920. Its totient is φ = 325102848.

The previous prime is 384965773. The next prime is 384965803. The reversal of 384965777 is 777569483.

It is not a de Polignac number, because 384965777 - 2² = 384965773 is a prime.

It is a super-2 number, since 2×384965777² = 296397298922427458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384965771) 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, 146249 + ... + 148857.

It is an arithmetic number, because the mean of its divisors is an integer number (27906120).

Almost surely, 2^384965777 is an apocalyptic number.

It is an amenable number.

384965777 is a deficient number, since it is larger than the sum of its proper divisors (61532143).

384965777 is a wasteful number, since it uses less digits than its factorization.

384965777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920.

The product of its digits is 8890560, while the sum is 56.

The square root of 384965777 is about 19620.5447681760. The cubic root of 384965777 is about 727.4570788280.

The spelling of 384965777 in words is "three hundred eighty-four million, nine hundred sixty-five thousand, seven hundred seventy-seven".