384400735 has 8 divisors (see below), whose sum is σ = 462651696. Its totient is φ = 306606720.

The previous prime is 384400721. The next prime is 384400759. The reversal of 384400735 is 537004483.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384400735 - 2¹¹ = 384398687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384400735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112381 + ... + 115750.

It is an arithmetic number, because the mean of its divisors is an integer number (57831462).

Almost surely, 2^384400735 is an apocalyptic number.

384400735 is a deficient number, since it is larger than the sum of its proper divisors (78250961).

384400735 is a wasteful number, since it uses less digits than its factorization.

384400735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228473.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 384400735 is about 19606.1402371808. The cubic root of 384400735 is about 727.1009908347.

The spelling of 384400735 in words is "three hundred eighty-four million, four hundred thousand, seven hundred thirty-five".