384625490 has 8 divisors (see below), whose sum is σ = 692325900. Its totient is φ = 153850192.

The previous prime is 384625441. The next prime is 384625499. The reversal of 384625490 is 94526483.

It can be written as a sum of positive squares in 2 ways, for example, as 383258929 + 1366561 = 19577^2 + 1169^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (384625499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19231265 + ... + 19231284.

Almost surely, 2^384625490 is an apocalyptic number.

384625490 is a deficient number, since it is larger than the sum of its proper divisors (307700410).

384625490 is a wasteful number, since it uses less digits than its factorization.

384625490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38462556.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 384625490 is about 19611.8711498929. The cubic root of 384625490 is about 727.2426726169.

The spelling of 384625490 in words is "three hundred eighty-four million, six hundred twenty-five thousand, four hundred ninety".