384245645 has 64 divisors (see below), whose sum is σ = 602380800. Its totient is φ = 228925440.

The previous prime is 384245597. The next prime is 384245671. The reversal of 384245645 is 546542483.

It is not a de Polignac number, because 384245645 - 2²⁰ = 383197069 is a prime.

It is a super-3 number, since 3×384245645³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 463091 + ... + 463919.

It is an arithmetic number, because the mean of its divisors is an integer number (9412200).

Almost surely, 2^384245645 is an apocalyptic number.

384245645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

384245645 is a deficient number, since it is larger than the sum of its proper divisors (218135155).

384245645 is a wasteful number, since it uses less digits than its factorization.

384245645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918.

The product of its digits is 460800, while the sum is 41.

The square root of 384245645 is about 19602.1846996706. The cubic root of 384245645 is about 727.0031924945.

The spelling of 384245645 in words is "three hundred eighty-four million, two hundred forty-five thousand, six hundred forty-five".