390000093 has 8 divisors (see below), whose sum is σ = 594285888. Its totient is φ = 222857184.

The previous prime is 390000073. The next prime is 390000101.

390000093 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 390000093 - 2²² = 385805789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390000073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9285696 + ... + 9285737.

It is an arithmetic number, because the mean of its divisors is an integer number (74285736).

Almost surely, 2^390000093 is an apocalyptic number.

It is an amenable number.

390000093 is a deficient number, since it is larger than the sum of its proper divisors (204285795).

390000093 is a wasteful number, since it uses less digits than its factorization.

390000093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18571443.

The product of its (nonzero) digits is 729, while the sum is 24.

The square root of 390000093 is about 19748.4200127504. The cubic root of 390000093 is about 730.6144154808.

It can be divided in two parts, 3900000 and 93, that added together give a palindrome (3900093).

The spelling of 390000093 in words is "three hundred ninety million, ninety-three", and thus it is an aban number.