390060893 has 4 divisors (see below), whose sum is σ = 390177948. Its totient is φ = 389943840.

The previous prime is 390060863. The next prime is 390060929. The reversal of 390060893 is 398060093.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160326244 + 229734649 = 12662^2 + 15157^2 .

It is a cyclic number.

It is not a de Polignac number, because 390060893 - 2⁶ = 390060829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390060863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53378 + ... + 60243.

It is an arithmetic number, because the mean of its divisors is an integer number (97544487).

Almost surely, 2^390060893 is an apocalyptic number.

It is an amenable number.

390060893 is a deficient number, since it is larger than the sum of its proper divisors (117055).

390060893 is a wasteful number, since it uses less digits than its factorization.

390060893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117054.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 390060893 is about 19749.9593164138. The cubic root of 390060893 is about 730.6523804702.

The spelling of 390060893 in words is "three hundred ninety million, sixty thousand, eight hundred ninety-three".