384408746 has 8 divisors (see below), whose sum is σ = 596496420. Its totient is φ = 185576608.

The previous prime is 384408733. The next prime is 384408767. The reversal of 384408746 is 647804483.

It can be written as a sum of positive squares in 2 ways, for example, as 361950625 + 22458121 = 19025^2 + 4739^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 384408697 and 384408706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3313811 + ... + 3313926.

Almost surely, 2^384408746 is an apocalyptic number.

384408746 is a deficient number, since it is larger than the sum of its proper divisors (212087674).

384408746 is a wasteful number, since it uses less digits than its factorization.

384408746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6627768.

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 384408746 is about 19606.3445343593. The cubic root of 384408746 is about 727.1060417837.

The spelling of 384408746 in words is "three hundred eighty-four million, four hundred eight thousand, seven hundred forty-six".