390073144 has 16 divisors (see below), whose sum is σ = 733235400. Its totient is φ = 194543712.

The previous prime is 390073141. The next prime is 390073153. The reversal of 390073144 is 441370093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390073141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58234 + ... + 64585.

Almost surely, 2^390073144 is an apocalyptic number.

It is an amenable number.

390073144 is a deficient number, since it is larger than the sum of its proper divisors (343162256).

390073144 is a wasteful number, since it uses less digits than its factorization.

390073144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123222 (or 123218 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 390073144 is about 19750.2694665161. The cubic root of 390073144 is about 730.6600298131.

The spelling of 390073144 in words is "three hundred ninety million, seventy-three thousand, one hundred forty-four".